Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/307b5c3c016442c38c1ddb9c2c3706cf : RETRY_LIMIT in 4m 03s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a69b898dc6bb437c89917de0b765cdf6 : FAILURE in 4m 30s