Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/47791d5d4a544bc3b7990d7492bda44c : RETRY_LIMIT in 3m 22s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4dfe6ee926954aa6a4998309cc8b9725 : FAILURE in 4m 42s