Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/3ea11447bad6406588372c177a68be70 : RETRY_LIMIT in 6m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e521f28c0e754994b584c69dab4a8afa : FAILURE in 4m 25s