Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/c2ce90c550d34ed1bf86e02a5f4fdd77 : RETRY_LIMIT in 6m 49s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5baf65d954c4433d87a5a4c80ba49aee : FAILURE in 4m 27s