Comment 4 for bug 1609279

i think i am hitting the same using contrail-networking to provide network config the the instance

ValueError: Unknown network_data link type: vrouter

[ 10.230364] cloud-init[857]: 2016-10-25 17:48:14,238 - util.py[WARNING]: failed stage init
[ 10.231449] cloud-init[857]: failed run of stage init
[ 10.232370] cloud-init[857]: ------------------------------------------------------------
[ 10.233613] cloud-init[857]: Traceback (most recent call last):
[ 10.234568] cloud-init[857]: File "/usr/lib/python3/dist-packages/cloudinit/cmd/main.py", line 521, in status_wrapper
[ 10.235806] cloud-init[857]: ret = functor(name, args)
[ 10.236739] cloud-init[857]: File "/usr/lib/python3/dist-packages/cloudinit/cmd/main.py", line 280, in main_init
[ 10.245833] cloud-init[857]: init.apply_network_config(bring_up=bool(mode != sources.DSMODE_LOCAL))
[ 10.246991] cloud-init[857]: File "/usr/lib/python3/dist-packages/cloudinit/stages.py", line 631, in apply_network_config
[ 10.248251] cloud-init[857]: netcfg, src = self._find_networking_config()
[ 10.249315] cloud-init[857]: File "/usr/lib/python3/dist-packages/cloudinit/stages.py", line 618, in _find_networking_config
[ 10.250624] cloud-init[857]: if self.datasource and hasattr(self.datasource, 'network_config'):
[ 10.251783] cloud-init[857]: File "/usr/lib/python3/dist-packages/cloudinit/sources/DataSourceConfigDrive.py", line 159, in network_config
[ 10.256817] cloud-init[857]: self.network_json, known_macs=self.known_macs)
[ 10.257884] cloud-init[857]: File "/usr/lib/python3/dist-packages/cloudinit/sources/helpers/openstack.py", line 627, in convert_net_json
[ 10.259203] cloud-init[857]: 'Unknown network_data link type: %s' % link['type'])
[ 10.260283] cloud-init[857]: ValueError: Unknown network_data link type: vrouter
[ 10.264800] cloud-init[857]: ------------------------------------------------------------