Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/d0f05167258b4e2c8b041aa1eaa95fe2 : RETRY_LIMIT in 4m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/728a6d02190149d7af770301742bd402 : FAILURE in 6m 47s