Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/e648abe512f84cb49167501086a81699 : RETRY_LIMIT in 6m 34s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6ad7c17e516842769de61dbbb3bb52f3 : FAILURE in 4m 51s