Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/40c5ac7ddf6b435297a40adc0cb9fdf8 : RETRY_LIMIT in 4m 15s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0e64d39025a5456db67eb596cf96ddec : FAILURE in 4m 50s