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

Build failed. - periodic-keystone-docs-icehouse http://logs.openstack.org/periodic-stable/periodic-keystone-docs-icehouse/40... : SUCCESS in 3m 22s - periodic-keystone-python26-icehouse http://logs.openstack.org/periodic-stable/periodic-keystone-python26-icehous... : FAILURE in 29m 51s - periodic-keystone-python27-icehouse http://logs.openstack.org/periodic-stable/periodic-keystone-python27-icehous... : FAILURE in 26m 49s