Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/d876a2316dc84b6eaed2dbe04c3eeecc : RETRY_LIMIT in 4m 16s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e589542119bb4369b401596e74fd0a77 : FAILURE in 3m 54s