Build failed. https://zuul.opendev.org/t/openstack/buildset/11edbc2df2c5406799640d77bcbc635d - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/8410b475f21b453a8253a1c771e1f96a : RETRY_LIMIT in 51s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/39b61fe89dec4f298def7cbae882718a : RETRY_LIMIT in 1m 54s