[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/c1d21... : SUCCESS in 5m 37s - periodic-ironic-python27-db-liberty http://logs.openstack.org/periodic-stable/periodic-ironic-python27-db-libert... : FAILURE in 3m 15s - periodic-ironic-docs-mitaka http://logs.openstack.org/periodic-stable/periodic-ironic-docs-mitaka/299161... : SUCCESS in 4m 59s - periodic-ironic-python27-db-mitaka http://logs.openstack.org/periodic-stable/periodic-ironic-python27-db-mitaka... : SUCCESS in 3m 17s