Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/3ffb5e55fc4b467b90437083c6a8732b : RETRY_LIMIT in 4m 00s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/685914def8404be78b73e37d27bd0018 : FAILURE in 4m 33s