Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/1256f9959ea8498b9ac650f680b10477 : RETRY_LIMIT in 6m 11s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e692f3e668cc4bd495865c2f15c59866 : FAILURE in 4m 49s