Build failed. https://zuul.opendev.org/t/openstack/buildset/e5633b8aae3d4594b2c7101b7f7aab8d - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/188252579c9548229c8cce12340fb2fb : RETRY_LIMIT in 4m 13s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/702c1ff9706d402fa7ba748cf3e46bf7 : FAILURE in 6m 24s