CI Failure (key symptom) in `CpuStressInjectionTest.test_stress_fibers_ms`

[vbotbuildovich]

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Module: rptest.tests.cpu_stress_injection_test
Class: CpuStressInjectionTest
Method: test_stress_fibers_ms

test_id:    CpuStressInjectionTest.test_stress_fibers_ms
status:     FAIL
run time:   97.586 seconds

ConnectionError(MaxRetryError('HTTPConnectionPool(host=\'docker-rp-19\', port=9644): Max retries exceeded with url: /v1/debug/stress_fiber_start?num_fibers=10&min_ms_per_scheduling_point=30&max_ms_per_scheduling_point=300 (Caused by ReadTimeoutError("HTTPConnectionPool(host=\'docker-rp-19\', port=9644): Read timed out. (read timeout=30)"))'))
Traceback (most recent call last):
  File "/usr/local/lib/python3.10/dist-packages/urllib3/connectionpool.py", line 426, in _make_request
    six.raise_from(e, None)
  File "<string>", line 3, in raise_from
  File "/usr/local/lib/python3.10/dist-packages/urllib3/connectionpool.py", line 421, in _make_request
    httplib_response = conn.getresponse()
  File "/usr/lib/python3.10/http/client.py", line 1375, in getresponse
    response.begin()
  File "/usr/lib/python3.10/http/client.py", line 318, in begin
    version, status, reason = self._read_status()
  File "/usr/lib/python3.10/http/client.py", line 279, in _read_status
    line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1")
  File "/usr/lib/python3.10/socket.py", line 705, in readinto
    return self._sock.recv_into(b)
TimeoutError: timed out

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.10/dist-packages/urllib3/connectionpool.py", line 670, in urlopen
    httplib_response = self._make_request(
  File "/usr/local/lib/python3.10/dist-packages/urllib3/connectionpool.py", line 428, in _make_request
    self._raise_timeout(err=e, url=url, timeout_value=read_timeout)
  File "/usr/local/lib/python3.10/dist-packages/urllib3/connectionpool.py", line 335, in _raise_timeout
    raise ReadTimeoutError(
urllib3.exceptions.ReadTimeoutError: HTTPConnectionPool(host='docker-rp-19', port=9644): Read timed out. (read timeout=30)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.10/dist-packages/requests/adapters.py", line 439, in send
    resp = conn.urlopen(
  File "/usr/local/lib/python3.10/dist-packages/urllib3/connectionpool.py", line 726, in urlopen
    retries = retries.increment(
  File "/usr/local/lib/python3.10/dist-packages/urllib3/util/retry.py", line 446, in increment
    raise MaxRetryError(_pool, url, error or ResponseError(cause))
urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='docker-rp-19', port=9644): Max retries exceeded with url: /v1/debug/stress_fiber_start?num_fibers=10&min_ms_per_scheduling_point=30&max_ms_per_scheduling_point=300 (Caused by ReadTimeoutError("HTTPConnectionPool(host='docker-rp-19', port=9644): Read timed out. (read timeout=30)"))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.10/dist-packages/ducktape/tests/runner_client.py", line 184, in _do_run
    data = self.run_test()
  File "/usr/local/lib/python3.10/dist-packages/ducktape/tests/runner_client.py", line 269, in run_test
    return self.test_context.function(self.test)
  File "/root/tests/rptest/services/cluster.py", line 82, in wrapped
    r = f(self, *args, **kwargs)
  File "/root/tests/rptest/tests/cpu_stress_injection_test.py", line 34, in test_stress_fibers_ms
    admin.stress_fiber_start(node,
  File "/root/tests/rptest/services/admin.py", line 980, in stress_fiber_start
    return self._request("PUT",
  File "/root/tests/rptest/services/admin.py", line 334, in _request
    r = self._session.request(verb, url, **kwargs)
  File "/usr/local/lib/python3.10/dist-packages/requests/sessions.py", line 530, in request
    resp = self.send(prep, **send_kwargs)
  File "/usr/local/lib/python3.10/dist-packages/requests/sessions.py", line 643, in send
    r = adapter.send(request, **kwargs)
  File "/usr/local/lib/python3.10/dist-packages/requests/adapters.py", line 516, in send
    raise ConnectionError(e, request=request)
requests.exceptions.ConnectionError: HTTPConnectionPool(host='docker-rp-19', port=9644): Max retries exceeded with url: /v1/debug/stress_fiber_start?num_fibers=10&min_ms_per_scheduling_point=30&max_ms_per_scheduling_point=300 (Caused by ReadTimeoutError("HTTPConnectionPool(host='docker-rp-19', port=9644): Read timed out. (read timeout=30)"))

JIRA Link: CORE-3059