UI 22! IS-IS, length 469869187
	L2 Lan IIH, hlen: 27, v: 1, pdu-v: 1, sys-id-len: 6 (0), max-area: 224 (224)
	  source-id: fed0.f90f.58af,  holding time: 34047s, Flags: [unknown circuit type 0x00]
	  lan-id:    0100.0088.a201.1c, Priority: 65, PDU length: 4096
	    unknown TLV #0, length: 12
		0x0000:  0722 0583 1b01 0010 019d e000
	    unknown TLV #254, length: 0
	    Prefix Neighbors TLV #5, length: 146
	      Metric Block, Default Metric: 32, Internal
		  Expense Metric: 0, Internal
		  Error Metric: 0, Internal
		Address: 88.99ff.ffff.7fb5.0000/76
		Address: isonsap_string: illegal length/948
		Address: 95/8
		Address: 02/8
		Address: 02/8
		Address: 02/8
		Address: 90/8
	    Multi-Topology Capability TLV #144, length: 144
	      O: 1, RES: 1, MTID(s): 0
	      unknown subTLV #107, length: 0
	      unknown subTLV #0, length: 208
		 [|isis] [|isis]