Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/2a2448a4bf914b8cb9219ebd8641fcfd : RETRY_LIMIT in 3m 59s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/20cb674d978547d2a2aa9ddfe04b7c97 : FAILURE in 3m 28s