CI Failure (key symptom) in `ClusterConfigAliasTest.test_aliasing`

[vbotbuildovich]

https://buildkite.com/redpanda/vtools/builds/14984 https://buildkite.com/redpanda/vtools/builds/14984 https://buildkite.com/redpanda/vtools/builds/14984 https://buildkite.com/redpanda/vtools/builds/14999 https://buildkite.com/redpanda/vtools/builds/14999 https://buildkite.com/redpanda/vtools/builds/14999

Module: rptest.tests.cluster_config_test
Class: ClusterConfigAliasTest
Method: test_aliasing
Arguments: {
    "prop_set": [
        "cloud_storage_graceful_transfer_timeout_ms",
        "cloud_storage_graceful_transfer_timeout",
        [
            23,
            2
        ],
        [
            1234,
            1235,
            1236
        ],
        false
    ]
}

test_id:    ClusterConfigAliasTest.test_aliasing
status:     FAIL
run time:   5.552 seconds

TypeError("cannot pickle '_thread.lock' object")
Traceback (most recent call last):
  File "/opt/.ducktape-venv/lib/python3.10/site-packages/ducktape/tests/runner_client.py", line 184, in _do_run
    data = self.run_test()
  File "/opt/.ducktape-venv/lib/python3.10/site-packages/ducktape/tests/runner_client.py", line 276, in run_test
    return self.test_context.function(self.test)
  File "/opt/.ducktape-venv/lib/python3.10/site-packages/ducktape/mark/_mark.py", line 535, in wrapper
    return functools.partial(f, *args, **kwargs)(*w_args, **w_kwargs)
  File "/home/ubuntu/redpanda/tests/rptest/services/cluster.py", line 105, in wrapped
    r = f(self, *args, **kwargs)
  File "/home/ubuntu/redpanda/tests/rptest/tests/cluster_config_test.py", line 1571, in test_aliasing
    self.redpanda.start()
  File "/home/ubuntu/redpanda/tests/rptest/services/redpanda.py", line 2713, in start
    self.for_nodes(to_start, start_one)
  File "/home/ubuntu/redpanda/tests/rptest/services/redpanda.py", line 1483, in for_nodes
    return list(executor.map(cb, nodes))
  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 "/home/ubuntu/redpanda/tests/rptest/services/redpanda.py", line 2705, in start_one
    self.start_node(node,
  File "/home/ubuntu/redpanda/tests/rptest/services/redpanda.py", line 3015, in start_node
    self.write_node_conf_file(
  File "/home/ubuntu/redpanda/tests/rptest/services/redpanda.py", line 3982, in write_node_conf_file
    conf = yaml.dump(doc)
  File "/opt/.ducktape-venv/lib/python3.10/site-packages/yaml/__init__.py", line 253, in dump
    return dump_all([data], stream, Dumper=Dumper, **kwds)
TypeError: cannot pickle '_thread.lock' object

JIRA Link: CORE-5040