CI Failure (key symptom) in `ClusterConfigTest.test_valid_settings`

[vbotbuildovich]

https://buildkite.com/redpanda/redpanda/builds/40663

Module: rptest.tests.cluster_config_test
Class: ClusterConfigTest
Method: test_valid_settings

test_id:    ClusterConfigTest.test_valid_settings
status:     FAIL
run time:   42.127 seconds

TimeoutError('Redpanda node docker-rp-31 failed to stop in 30 seconds')
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/cluster_config_test.py", line 681, in test_valid_settings
    self.redpanda.restart_nodes(self.redpanda.nodes)
  File "/root/tests/rptest/services/redpanda.py", line 934, in restart_nodes
    list(
  File "/usr/lib/python3.10/concurrent/futures/_base.py", line 621, in result_iterator
    yield _result_or_cancel(fs.pop())
  File "/usr/lib/python3.10/concurrent/futures/_base.py", line 319, in _result_or_cancel
    return fut.result(timeout)
  File "/usr/lib/python3.10/concurrent/futures/_base.py", line 458, in result
    return self.__get_result()
  File "/usr/lib/python3.10/concurrent/futures/_base.py", line 403, in __get_result
    raise self._exception
  File "/usr/lib/python3.10/concurrent/futures/thread.py", line 58, in run
    result = self.fn(*self.args, **self.kwargs)
  File "/root/tests/rptest/services/redpanda.py", line 935, in <lambda>
    executor.map(lambda n: self.stop_node(n, timeout=stop_timeout),
  File "/root/tests/rptest/services/redpanda.py", line 2909, in stop_node
    wait_until(
  File "/usr/local/lib/python3.10/dist-packages/ducktape/utils/util.py", line 57, in wait_until
    raise TimeoutError(err_msg() if callable(err_msg) else err_msg) from last_exception
ducktape.errors.TimeoutError: Redpanda node docker-rp-31 failed to stop in 30 seconds

[michael-redpanda]

Build over a month old. PT error. Closing

[vbotbuildovich]

*https://buildkite.com/redpanda/redpanda/builds/42897 *https://buildkite.com/redpanda/redpanda/builds/44490

[vbotbuildovich]

*https://buildkite.com/redpanda/redpanda/builds/45001

[michael-redpanda]

Hasn't happened in >2 months, closing