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

Build failed. - periodic-neutron-docs-liberty http://logs.openstack.org/periodic-stable/periodic-neutron-docs-liberty/3e53... : POST_FAILURE in 9m 40s - periodic-neutron-python27-liberty http://logs.openstack.org/periodic-stable/periodic-neutron-python27-liberty/... : POST_FAILURE in 22m 40s - periodic-neutron-docs-mitaka http://logs.openstack.org/periodic-stable/periodic-neutron-docs-mitaka/ec551... : POST_FAILURE in 8m 38s - periodic-neutron-python27-mitaka http://logs.openstack.org/periodic-stable/periodic-neutron-python27-mitaka/8... : POST_FAILURE in 21m 28s