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

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- periodic-glance-docs-havana http://logs.openstack.org/periodic-stable/periodic-glance-docs-havana/25be22... : SUCCESS in 3m 22s - periodic-glance-python26-havana http://logs.openstack.org/periodic-stable/periodic-glance-python26-havana/f1... : FAILURE in 47s - periodic-glance-python27-havana http://logs.openstack.org/periodic-stable/periodic-glance-python27-havana/6d... : SUCCESS in 12m 50s