Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/cdb166bd44fa45e2afae3da55e480afe : RETRY_LIMIT in 4m 09s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/44181373a097401eb993e60711375c8e : SUCCESS in 6m 31s