Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/3392593a8e4b4f40853a45f056c86cf4 : RETRY_LIMIT in 4m 40s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0309cf89007d4159b3ff118b78286486 : FAILURE in 6m 46s