device_init_virtual(&vldev->dev, &vlan_type, NULL);
vldev->dev.default_config = true;
vldev->set_state = vldev->dev.set_state;
vldev->dev.set_state = vlan_set_device_state;
device_init_virtual(&vldev->dev, &vlan_type, NULL);
vldev->dev.default_config = true;
vldev->set_state = vldev->dev.set_state;
vldev->dev.set_state = vlan_set_device_state;