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

Build failed. - periodic-neutron-docs-havana http://logs.openstack.org/periodic-stable/periodic-neutron-docs-havana/e9983... : SUCCESS in 2m 37s - periodic-neutron-python26-havana http://logs.openstack.org/periodic-stable/periodic-neutron-python26-havana/c... : FAILURE in 15m 51s - periodic-neutron-python27-havana http://logs.openstack.org/periodic-stable/periodic-neutron-python27-havana/6... : FAILURE in 17m 14s