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

Build failed. - periodic-keystone-docs-juno http://logs.openstack.org/periodic-stable/periodic-keystone-docs-juno/dd389e... : FAILURE in 4m 09s - periodic-keystone-python26-juno http://logs.openstack.org/periodic-stable/periodic-keystone-python26-juno/f5... : FAILURE in 3m 57s - periodic-keystone-python27-juno http://logs.openstack.org/periodic-stable/periodic-keystone-python27-juno/95... : FAILURE in 3m 39s - periodic-keystone-docs-kilo http://logs.openstack.org/periodic-stable/periodic-keystone-docs-kilo/468bdf... : SUCCESS in 5m 46s - periodic-keystone-python27-kilo http://logs.openstack.org/periodic-stable/periodic-keystone-python27-kilo/a6... : SUCCESS in 9m 58s