Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/447b7e2995364deb837aac8d0666c777 : RETRY_LIMIT in 3m 48s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7e783fdb421641ce8ef2205bfafbf8a6 : FAILURE in 4m 46s