TASK [common : Starting heka container] ****************************************
fatal: [localhost]: FAILED! => {"changed": true, "failed": true, "msg": "'Traceback (most recent call last):\\n  File \"/root/.ansible/tmp/ansible-tmp-1486941181.73-171909176891204/kolla_docker\", line 743, in main\\n    result = bool(getattr(dw, module.params.get(\\'action\\'))())\\n  File \"/root/.ansible/tmp/ansible-tmp-1486941181.73-171909176891204/kolla_docker\", line 568, in start_container\\n    self.create_container()\\n  File \"/root/.ansible/tmp/ansible-tmp-1486941181.73-171909176891204/kolla_docker\", line 556, in create_container\\n    self.dc.create_container(**options)\\n  File \"/usr/local/lib/python2.7/dist-packages/docker/api/container.py\", line 135, in create_container\\n    return self.create_container_from_config(config, name)\\n  File \"/usr/local/lib/python2.7/dist-packages/docker/api/container.py\", line 146, in create_container_from_config\\n    return self._result(res, True)\\n  File \"/usr/local/lib/python2.7/dist-packages/docker/client.py\", line 178, in _result\\n    self._raise_for_status(response)\\n  File \"/usr/local/lib/python2.7/dist-packages/docker/client.py\", line 174, in _raise_for_status\\n    raise errors.APIError(e, response, explanation=explanation)\\nAPIError: 500 Server Error: Internal Server Error (\"{\"message\":\"maximum retry count cannot be used with restart policy \\'unless-stopped\\'\"}\")\\n'"}