The uid of the tunnel owner, or -1 if it has no owner. The gid of the tunnel group, or -1 if it has no owner. The tunnel mode, either "tun" or "tap". The tunnel's "TUN_NO_PI" flag; true if no protocol info is prepended to the tunnel packets. The tunnel's "TUN_VNET_HDR" flag; true if the tunnel packets include a virtio network header. The tunnel's "TUN_TAP_MQ" flag; true if callers can connect to the tap device multiple times, for multiple send/receive queues. A dictionary mapping property names to variant boxed values