Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/ed5c0584eb0f409995e47abbf7d65a67 : RETRY_LIMIT in 4m 31s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/880db9d5be584fff83d152530412ca3c : SUCCESS in 6m 42s