Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/29e018705cd64dfd8671b8871df39efb : RETRY_LIMIT in 4m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/30bf58a13c0f49e8b471f5d1aa37e28c : FAILURE in 4m 45s