Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/b5edf65d20d04504b66581c0ccc7e5fe : RETRY_LIMIT in 4m 03s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f37741f89bb94b3b83889b45827129d3 : FAILURE in 4m 02s