___________________ SwarmTest.test_init_swarm_with_ca_config ___________________
docker/api/client.py:265: in _raise_for_status
    response.raise_for_status()
/usr/local/lib/python3.12/site-packages/requests/models.py:1021: in raise_for_status
    raise HTTPError(http_error_msg, response=self)
E   requests.exceptions.HTTPError: 503 Server Error: Service Unavailable for url: http+docker://localhost/v1.43/swarm/init

The above exception was the direct cause of the following exception:
tests/integration/api_swarm_test.py:89: in test_init_swarm_with_ca_config
    assert self.init_swarm(swarm_spec=spec)
tests/integration/base.py:126: in init_swarm
    return self._init_swarm(self.client, **kwargs)
tests/integration/base.py:93: in _init_swarm
    return client.init_swarm(
docker/utils/decorators.py:32: in wrapper
    return f(self, *args, **kwargs)
docker/api/swarm.py:181: in init_swarm
    return self._result(response, json=True)
docker/api/client.py:271: in _result
    self._raise_for_status(response)
docker/api/client.py:267: in _raise_for_status
    raise create_api_error_from_http_exception(e) from e
docker/errors.py:39: in create_api_error_from_http_exception
    raise cls(e, response=response, explanation=explanation) from e
E   docker.errors.APIError: 503 Server Error for http+docker://localhost/v1.43/swarm/init: Service Unavailable ("Swarm is encrypted and needs to be unlocked before it can be used. Please use "docker swarm unlock" to unlock it.")