Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/d461d7467d0542b88bdbb56e06c56db6 : RETRY_LIMIT in 2m 37s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ed67df17243e482696a3981d1130bb6d : FAILURE in 4m 16s