Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/5bb0a74f9c2d44ee8a9890c4a9c09357 : RETRY_LIMIT in 7m 19s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8717e8f1925746f3869d218a653a412a : FAILURE in 4m 14s