Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/c7bdc76aa73d4a15b5bba7645fd4b8a9 : RETRY_LIMIT in 4m 02s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/768d688525b540ccb529ff35bbe7259a : FAILURE in 4m 40s