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

Build failed. - periodic-ironic-docs-juno http://logs.openstack.org/periodic-stable/periodic-ironic-docs-juno/30f523e/ : FAILURE in 5m 17s - periodic-ironic-python26-juno http://logs.openstack.org/periodic-stable/periodic-ironic-python26-juno/4a27... : FAILURE in 5m 29s - periodic-ironic-python27-juno http://logs.openstack.org/periodic-stable/periodic-ironic-python27-juno/cff8... : FAILURE in 6m 40s - periodic-ironic-docs-kilo http://logs.openstack.org/periodic-stable/periodic-ironic-docs-kilo/bbbd60b/ : SUCCESS in 8m 06s - periodic-ironic-python27-kilo http://logs.openstack.org/periodic-stable/periodic-ironic-python27-kilo/840d... : SUCCESS in 5m 38s