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

Build failed. - periodic-cinder-docs-liberty http://logs.openstack.org/periodic-stable/periodic-cinder-docs-liberty/15199... : SUCCESS in 6m 32s - periodic-cinder-python27-db-liberty http://logs.openstack.org/periodic-stable/periodic-cinder-python27-db-libert... : FAILURE in 7m 40s - periodic-cinder-docs-mitaka http://logs.openstack.org/periodic-stable/periodic-cinder-docs-mitaka/f4c504... : SUCCESS in 7m 17s - periodic-cinder-python27-db-mitaka http://logs.openstack.org/periodic-stable/periodic-cinder-python27-db-mitaka... : SUCCESS in 7m 01s