Comment 7 for bug 1607808

Aug 8 08:16:14 node-3 nova-compute: 2016-08-08 08:16:14.348 30765 ERROR nova.compute.manager [req-5503ce08-2598-4f12-9438-e56d71a6557a 8f59b011483e4e1ab3687b32c4f66a39 3ef4407954294a398eef479c24a961a4 - - -] Instance failed network setup after 1 attempt(s)
2016-08-08 08:16:14.348 30765 ERROR nova.compute.manager Traceback (most recent call last):
2016-08-08 08:16:14.348 30765 ERROR nova.compute.manager File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1570, in _allocate_network_async
2016-08-08 08:16:14.348 30765 ERROR nova.compute.manager bind_host_id=bind_host_id)
2016-08-08 08:16:14.348 30765 ERROR nova.compute.manager File "/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 668, in allocate_for_instance
2016-08-08 08:16:14.348 30765 ERROR nova.compute.manager self._delete_ports(neutron, instance, created_port_ids)
2016-08-08 08:16:14.348 30765 ERROR nova.compute.manager File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-08-08 08:16:14.348 30765 ERROR nova.compute.manager self.force_reraise()
2016-08-08 08:16:14.348 30765 ERROR nova.compute.manager File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2016-08-08 08:16:14.348 30765 ERROR nova.compute.manager six.reraise(self.type_, self.value, self.tb)
2016-08-08 08:16:14.348 30765 ERROR nova.compute.manager File "/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 657, in allocate_for_instance
2016-08-08 08:16:14.348 30765 ERROR nova.compute.manager security_group_ids, available_macs, dhcp_opts)
2016-08-08 08:16:14.348 30765 ERROR nova.compute.manager File "/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 259, in _create_port
2016-08-08 08:16:14.348 30765 ERROR nova.compute.manager raise exception.PortBindingFailed(port_id=port_id)
2016-08-08 08:16:14.348 30765 ERROR nova.compute.manager PortBindingFailed: Binding failed for port ae087047-cb9b-40e2-ac54-5303c177ee9e, please