[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/1204636/ : FAILURE in 5m 43s - periodic-ironic-python26-juno http://logs.openstack.org/periodic-stable/periodic-ironic-python26-juno/441c... : FAILURE in 5m 41s - periodic-ironic-python27-juno http://logs.openstack.org/periodic-stable/periodic-ironic-python27-juno/aee9... : FAILURE in 5m 38s - periodic-ironic-docs-kilo http://logs.openstack.org/periodic-stable/periodic-ironic-docs-kilo/bb96bbe/ : SUCCESS in 6m 41s - periodic-ironic-python27-kilo http://logs.openstack.org/periodic-stable/periodic-ironic-python27-kilo/41ee... : SUCCESS in 5m 52s