[   39.382792][  T519] netperf (519) used greatest stack depth: 23056 bytes left
[   46.433486][  T580] IPv6: NLM_F_REPLACE set, but no existing node found!
[   51.641925][  T584] netperf (584) used greatest stack depth: 22288 bytes left
[   71.011900][  T710] IPv6: NLM_F_REPLACE set, but no existing node found!
[   76.231654][  T714] netperf (714) used greatest stack depth: 21696 bytes left
[   95.659068][  T842] IPv6: NLM_F_REPLACE set, but no existing node found!
[  120.221279][  T972] IPv6: NLM_F_REPLACE set, but no existing node found!