[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/2514f... : SUCCESS in 3m 11s - periodic-neutron-python26-havana http://logs.openstack.org/periodic-stable/periodic-neutron-python26-havana/9... : FAILURE in 40m 09s - periodic-neutron-python27-havana http://logs.openstack.org/periodic-stable/periodic-neutron-python27-havana/7... : FAILURE in 18m 46s