1 1 01:08:29.1674433 IP (tos 0x14, id 1, offset 0, flags [none], proto ICMP (1), length 512, options (unknown 3,unknown 3,unknown 3 [bad length 3]), bad cksum 3ff (->b4bd)!) 2 240.25.0.0 > 3.3.3.3: ICMP source quench, length 484 3 [|icmp] 4