Build failed. https://zuul.opendev.org/t/openstack/buildset/4f8e0e3faab64b93b603984f14057ccf - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ea5cd42f029843f88b64ba24aeca029e : SUCCESS in 2m 54s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/cfc0e08e641f402bb708683d1de85bb7 : RETRY_LIMIT in 2m 07s