What this debug message actually means? Shouldn't encapsulation add 24 extra bytes or not? For what reason encapsulation is not adding bytes to original packet in this debug message?
Dec 28 23:45:39.303: Tunnel0: GRE/IP encapsulated 10.0.0.1->10.0.0.2 (linktype=7, len=124)
Dec 28 23:45:39.303: Tunnel0 count tx, adding 0 encap bytes
