[  240.119332][ T4314] netperf (4314) used greatest stack depth: 23072 bytes left
[  247.124786][ T4375] IPv6: NLM_F_REPLACE set, but no existing node found!
[  252.325227][ T4379] netperf (4379) used greatest stack depth: 22024 bytes left
[  271.489020][ T4505] IPv6: NLM_F_REPLACE set, but no existing node found!
[  276.706353][ T4509] netperf (4509) used greatest stack depth: 21584 bytes left
[  295.924963][ T4637] IPv6: NLM_F_REPLACE set, but no existing node found!
[  320.183790][ T4767] IPv6: NLM_F_REPLACE set, but no existing node found!