The "Owner" property

Owner  readable   x

The uid of the tunnel owner, or -1 if it has no owner.

The "Group" property

Group  readable   x

The gid of the tunnel group, or -1 if it has no owner.

The "Mode" property

Mode  readable   s

The tunnel mode, either "tun" or "tap".

The "NoPi" property

NoPi  readable   b

The tunnel's "TUN_NO_PI" flag; true if no protocol info is prepended to the tunnel packets.

The "VnetHdr" property

VnetHdr  readable   b

The tunnel's "TUN_VNET_HDR" flag; true if the tunnel packets include a virtio network header.

The "MultiQueue" property

MultiQueue  readable   b

The tunnel's "TUN_TAP_MQ" flag; true if callers can connect to the tap device multiple times, for multiple send/receive queues.

The "HwAddress" property

HwAddress  readable   s