Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/3932bec331c541e7924bae5e3c918607 : RETRY_LIMIT in 4m 02s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e677781def67462fba9e4abd1f1c02fb : FAILURE in 4m 21s