01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:56 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:56 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:27 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:56 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:27 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:56 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:27 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:14:30 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:56 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:27 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:14:30 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:02 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:56 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:27 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:14:30 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:02 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:56 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:27 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:14:30 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:02 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:56 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:27 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:14:30 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:02 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:38 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:56 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:27 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:14:30 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:02 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:38 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:09 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:56 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:27 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:14:30 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:02 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:38 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:09 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:41 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:56 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:27 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:14:30 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:02 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:38 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:09 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:41 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:12 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:56 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:27 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:14:30 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:02 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:38 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:09 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:41 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:12 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:44 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:56 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:27 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:14:30 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:02 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:38 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:09 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:41 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:12 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:44 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:19:16 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:56 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:27 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:14:30 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:02 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:38 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:09 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:41 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:12 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:44 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:19:16 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:19:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:56 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:27 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:14:30 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:02 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:38 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:09 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:41 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:12 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:44 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:19:16 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:19:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:20:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:56 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:27 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:14:30 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:02 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:38 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:09 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:41 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:12 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:44 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:19:16 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:19:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:20:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:20:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:56 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:27 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:14:30 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:02 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:38 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:09 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:41 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:12 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:44 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:19:16 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:19:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:20:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:20:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:21:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:56 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:27 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:14:30 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:02 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:38 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:09 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:41 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:12 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:44 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:19:16 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:19:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:20:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:20:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:21:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:21:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:56 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:27 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:14:30 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:02 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:38 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:09 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:41 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:12 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:44 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:19:16 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:19:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:20:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:20:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:21:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:21:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:22:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:56 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:27 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:14:30 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:02 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:38 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:09 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:41 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:12 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:44 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:19:16 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:19:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:20:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:20:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:21:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:21:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:22:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:22:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:56 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:27 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:14:30 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:02 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:38 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:09 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:41 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:12 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:44 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:19:16 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:19:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:20:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:20:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:21:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:21:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:22:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:22:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:56 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:27 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:14:30 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:02 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:38 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:09 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:41 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:12 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:44 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:19:16 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:19:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:20:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:20:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:21:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:21:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:22:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:22:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:23:37 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:07:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:11 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:08:43 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:14 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:09:46 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:18 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:10:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:21 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:11:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:12:56 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:27 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:13:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:14:30 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:02 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:15:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:16:38 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:09 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:17:41 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:12 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:18:44 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:19:16 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:19:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:20:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:20:53 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:21:24 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:21:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:22:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:22:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

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

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

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

01/12/2026 10:23:37 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 69, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/tarball.py", line 203, in _setup
    return self._api_helper.subscribe_filters(self._filters)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

Traceback (most recent call last):
  File "/home/kernelci/pipeline/./src/tarball.py", line 17, in <module>
    import requests
  File "/usr/local/lib/python3.12/site-packages/requests/__init__.py", line 43, in <module>
    import urllib3
  File "/usr/local/lib/python3.12/site-packages/urllib3/__init__.py", line 8, in <module>
    import logging
  File "/usr/local/lib/python3.12/logging/__init__.py", line 469, in <module>
    class StrFormatStyle(PercentStyle):
  File "/usr/local/lib/python3.12/logging/__init__.py", line 474, in StrFormatStyle
    fmt_spec = re.compile(r'^(.?[<>=^])?[+ -]?#?0?(\d+|{\w+})?[,_]?(\.(\d+|{\w+}))?[bcdefgnosx%]?$', re.I)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/re/__init__.py", line 228, in compile
    return _compile(pattern, flags)
           ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/re/__init__.py", line 307, in _compile
    p = _compiler.compile(pattern, flags)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/re/_compiler.py", line 754, in compile
    code = _code(p, flags)
           ^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/re/_compiler.py", line 587, in _code
    _compile(code, p.data, flags)
  File "/usr/local/lib/python3.12/re/_compiler.py", line 111, in _compile
    _compile(code, av[2], flags)
  File "/usr/local/lib/python3.12/re/_compiler.py", line 86, in _compile
    charset, hascased = _optimize_charset(av, iscased, tolower, fixes)
                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/re/_compiler.py", line 377, in _optimize_charset
    mapping[i // 256] = comps[chunk]
    ~~~~~~~^^^^^^^^^^
KeyboardInterrupt