Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/18bff09c9c2d45d68d4f2c2e0e6cea95 : RETRY_LIMIT in 3m 15s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c9172ac48ecb4f1d843599fd9e007828 : FAILURE in 3m 57s