Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/0b82aa1f7d154e9f8c774f9a00869486 : RETRY_LIMIT in 4m 03s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/285a961d47514aa691a41a3420d73b95 : FAILURE in 5m 26s