1UI 22! IS-IS, length 469869187
2	L2 Lan IIH, hlen: 27, v: 1, pdu-v: 1, sys-id-len: 6 (0), max-area: 224 (224)
3	  source-id: fed0.f90f.58af,  holding time: 34047s, Flags: [unknown circuit type 0x00]
4	  lan-id:    0100.0088.a201.1c, Priority: 65, PDU length: 4096
5	    unknown TLV #0, length: 12
6		0x0000:  0722 0583 1b01 0010 0505 0505
7	    Area address(es) TLV #1, length: 157
8	    IS Reachability TLV #2, length: 2
9	      bogus virtual flag 0x02
10	    IS Reachability TLV #2, length: 2
11	      bogus virtual flag 0x02
12	    IS Reachability TLV #2, length: 2
13	      bogus virtual flag 0x90
14	    Multi-Topology Capability TLV #144, length: 144
15	      O: 1, RES: 1, MTID(s): 144
16	      unknown subTLV #144, length: 2
17	      unknown subTLV #2, length: 0
18	      unknown subTLV #16, length: 1
19	      unknown subTLV #224, length: 0
20	      unknown subTLV #59, length: 0
21	      unknown subTLV #5, length: 166
22		 [|isis] [|isis]
23