Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/e72cff3097b143cbac87e92656e069eb : RETRY_LIMIT in 3m 57s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5920ed7918244eba84e70c88b12b489e : FAILURE in 4m 13s