1  2013-12-01 08:51:32.546678 IP (0x0021), length 172: [total length 8360 > length 168] (invalid) (tos 0xc0, ttl 251, id 5047, offset 0, flags [none], proto ICMP (1), length 8360, bad cksum 7edb (->5edb)!)
    10.0.12.2 > 10.0.12.1: ICMP time exceeded in-transit, length 8340
	(tos 0x0, ttl 1, id 2574, offset 0, flags [none], proto UDP (17), length 28)
    10.0.12.1.49215 > 10.255.255.4.33435: [udp sum ok] UDP, length 0
	ICMP Multi-Part extension v2
	  MPLS Stack Entry Object (1), Class-Type: 1, length 8
	    label 16, tc 0, [S], ttl 1 [|icmp]