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

Build failed. - periodic-cinder-docs-kilo http://logs.openstack.org/periodic-stable/periodic-cinder-docs-kilo/bb05e22/ : SUCCESS in 6m 13s - periodic-cinder-python27-db-kilo http://logs.openstack.org/periodic-stable/periodic-cinder-python27-db-kilo/8... : NOT_REGISTERED - periodic-cinder-docs-liberty http://logs.openstack.org/periodic-stable/periodic-cinder-docs-liberty/26e9b... : SUCCESS in 7m 59s - periodic-cinder-python27-db-liberty http://logs.openstack.org/periodic-stable/periodic-cinder-python27-db-libert... : NOT_REGISTERED