[Openstack-stable-maint] Stable check of openstack/sahara failed

Build failed. - periodic-sahara-docs-juno http://logs.openstack.org/periodic-stable/periodic-sahara-docs-juno/9ddaedc/ : SUCCESS in 1m 18s - periodic-sahara-python26-juno http://logs.openstack.org/periodic-stable/periodic-sahara-python26-juno/9c26... : UNSTABLE in 3m 31s - periodic-sahara-python27-juno http://logs.openstack.org/periodic-stable/periodic-sahara-python27-juno/bb31... : UNSTABLE in 1m 38s