1  1975-06-23 00:41:36.999999 IP6 (class 0x50, flowlabel 0x0002c, hlim 0, next-header Mobile IP (old) (62), payload length 7168) ff:7f0f:40:0:ee00:0:b658:5203 > 205:20:1:b00:0:2200:af01:e000: mobility: (payload protocol 6 should be 59) BRR(unknown: type-#6 len=0)(ni:  [|mobility]