Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/d2954a6a3671487abccd54ca2eb48bf1 : RETRY_LIMIT in 3m 57s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c716f6cc644942ed8daa803213981b2a : FAILURE in 4m 07s