Build failed. https://zuul.opendev.org/t/openstack/buildset/b2e69f914c4545e6bad3cb648a38512e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/241f2788f86c41fd9d245ed4413b0a92 : SUCCESS in 2m 53s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ac79ba5b1831420db7fb365ed611a9c3 : RETRY_LIMIT in 12s