Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/b6c999969dbc4cc7b697cbaf0e7d394e : RETRY_LIMIT in 4m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/162c0eece26a46ba81fa7ec2881eb9f2 : FAILURE in 6m 37s