Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/8cb489765b784785b9456d446a065879 : RETRY_LIMIT in 3m 37s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/569456b8da604049a568f70fde381eac : FAILURE in 4m 16s