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

Build failed. - periodic-keystone-docs-grizzly http://logs.test.lan/periodic-stable/periodic-keystone-docs-grizzly/c7b292a : LOST - periodic-keystone-python26-grizzly http://logs.test.lan/periodic-stable/periodic-keystone-python26-grizzly/3801... : LOST - periodic-keystone-python27-grizzly http://logs.test.lan/periodic-stable/periodic-keystone-python27-grizzly/21f6... : LOST - periodic-keystone-docs-havana http://logs.test.lan/periodic-stable/periodic-keystone-docs-havana/4172125 : LOST - periodic-keystone-python26-havana http://logs.test.lan/periodic-stable/periodic-keystone-python26-havana/34fc5... : LOST - periodic-keystone-python27-havana http://logs.test.lan/periodic-stable/periodic-keystone-python27-havana/7c738... : LOST