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

Build failed. - periodic-ceilometer-docs-mitaka http://logs.openstack.org/periodic-stable/periodic-ceilometer-docs-mitaka/d1... : SUCCESS in 4m 00s - periodic-ceilometer-python27-mitaka http://logs.openstack.org/periodic-stable/periodic-ceilometer-python27-mitak... : FAILURE in 4m 42s - periodic-ceilometer-docs-newton http://logs.openstack.org/periodic-stable/periodic-ceilometer-docs-newton/33... : SUCCESS in 2m 42s - periodic-ceilometer-python27-newton http://logs.openstack.org/periodic-stable/periodic-ceilometer-python27-newto... : SUCCESS in 2m 29s