Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/3f3252c8fa0a4a86b4d39c8e5f71529d : RETRY_LIMIT in 4m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9aa42e8efd0e44f68fff4aeca62974bc : FAILURE in 3m 32s