    1  [Error converting time] UI 22! IS-IS, length 262139
	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 0505 0505
	    Area address(es) TLV #1, length: 157
	    IS Reachability TLV #2, length: 2
	      bogus virtual flag 0x02
	    IS Reachability TLV #2, length: 2
	      bogus virtual flag 0x02
	    IS Reachability TLV #2, length: 2
	      bogus virtual flag 0x90
	    Multi-Topology Capability TLV #144, length: 144
	      O: 1, RES: 1, MTID(s): 144
	      unknown subTLV #144, length: 2
	      unknown subTLV #2, length: 0
	      unknown subTLV #16, length: 1
	      unknown subTLV #224, length: 0
	      unknown subTLV #59, length: 0
	      unknown subTLV #5, length: 166 (> containing TLV length) [|isis]