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

[vbotbuildovich]

https://buildkite.com/redpanda/vtools/builds/14520 https://buildkite.com/redpanda/vtools/builds/14520 https://buildkite.com/redpanda/vtools/builds/14520 https://buildkite.com/redpanda/vtools/builds/14549 https://buildkite.com/redpanda/vtools/builds/14549 https://buildkite.com/redpanda/vtools/builds/14549 https://buildkite.com/redpanda/vtools/builds/14561 https://buildkite.com/redpanda/vtools/builds/14561 https://buildkite.com/redpanda/vtools/builds/14561 https://buildkite.com/redpanda/vtools/builds/14577 https://buildkite.com/redpanda/vtools/builds/14577 https://buildkite.com/redpanda/vtools/builds/14577

Module: rptest.tests.cluster_config_test
Class: ClusterConfigTest
Method: test_validate_cloud_storage_api_endpoint
Arguments: {
    "valid": false,
    "value": "http://pandazone"
}

test_id:    ClusterConfigTest.test_validate_cloud_storage_api_endpoint
status:     FAIL
run time:   8.780 seconds

RuntimeError("Non-XFS filesystem b'ext2/ext3' at /var/lib/redpanda on ducktape-node-12-surely-moral-crawfish")
Traceback (most recent call last):
  File "/opt/.ducktape-venv/lib/python3.10/site-packages/ducktape/tests/runner_client.py", line 182, in _do_run
    self.setup_test()
  File "/opt/.ducktape-venv/lib/python3.10/site-packages/ducktape/tests/runner_client.py", line 267, in setup_test
    self.test.setup()
  File "/opt/.ducktape-venv/lib/python3.10/site-packages/ducktape/tests/test.py", line 91, in setup
    self.setUp()
  File "/home/ubuntu/redpanda/tests/rptest/tests/redpanda_test.py", line 39, in setUp
    self.__redpanda.start()
  File "/home/ubuntu/redpanda/tests/rptest/services/redpanda.py", line 2708, in start
    self.for_nodes(to_start, start_one)
  File "/home/ubuntu/redpanda/tests/rptest/services/redpanda.py", line 1478, 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 2700, in start_one
    self.start_node(node,
  File "/home/ubuntu/redpanda/tests/rptest/services/redpanda.py", line 3027, in start_node
    raise RuntimeError(
RuntimeError: Non-XFS filesystem b'ext2/ext3' at /var/lib/redpanda on ducktape-node-12-surely-moral-crawfish

JIRA Link: CORE-3731

[piyushredpanda]

Terraform infra issue duplicate.