Build failed. https://zuul.opendev.org/t/openstack/buildset/e21c618b601543fab66d111d379e1ea0 - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/d3deea966329469cab1cffdfc264dd58 : RETRY_LIMIT in 5s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/59b4e1a07e4c44f19ce3aa4581f9c7bb : RETRY_LIMIT in 1s