Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/c0ecdb8d2e4c44f080c84d1e5ca2182d : RETRY_LIMIT in 2m 43s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/272227397e124029bfb6d10fcb4cf238 : FAILURE in 3m 06s