Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/1cafb9e68fd0490b87b8cdaf6abeb7c8 : RETRY_LIMIT in 6m 58s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4f8e4bd97ed446c8945b4f94821b6f1c : FAILURE in 6m 29s