Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/caff8d9803ad4e77a4bc8d81059d0db1 : RETRY_LIMIT in 3m 34s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3cabdf3336a74cf3b618633212d8d221 : FAILURE in 4m 15s