Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/1defcb18db7145c9b546fff966c3c7ea : RETRY_LIMIT in 4m 02s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/100f477ccdd7447fa842b2fea33e6684 : FAILURE in 3m 30s