Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/1edc4c33649f4fec8a6f34b4e3c6a6a1 : RETRY_LIMIT in 4m 10s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f01fe431200d4fe79ccd7bb4c004329d : FAILURE in 4m 19s