Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/3955e4e8b299400c89a38fcdd57f6886 : RETRY_LIMIT in 6m 05s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/06de90c8b1fa451caf588ec67743a122 : FAILURE in 4m 16s