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

Build failed. - periodic-ironic-docs-liberty http://logs.openstack.org/periodic-stable/periodic-ironic-docs-liberty/1328c... : SUCCESS in 5m 46s - periodic-ironic-python27-db-liberty http://logs.openstack.org/periodic-stable/periodic-ironic-python27-db-libert... : POST_FAILURE in 6m 09s - periodic-ironic-docs-mitaka http://logs.openstack.org/periodic-stable/periodic-ironic-docs-mitaka/dcea81... : SUCCESS in 3m 32s - periodic-ironic-python27-db-mitaka http://logs.openstack.org/periodic-stable/periodic-ironic-python27-db-mitaka... : SUCCESS in 3m 37s