[ 1690.077698][ T4649] netperf (4649) used greatest stack depth: 23072 bytes left
[ 1696.927843][ T4710] IPv6: NLM_F_REPLACE set, but no existing node found!
[ 1702.114409][ T4714] netperf (4714) used greatest stack depth: 22256 bytes left
[ 1720.971916][ T4840] IPv6: NLM_F_REPLACE set, but no existing node found!
[ 1726.159497][ T4844] netperf (4844) used greatest stack depth: 21328 bytes left
[ 1745.009459][ T4972] IPv6: NLM_F_REPLACE set, but no existing node found!
[ 1769.039137][ T5102] IPv6: NLM_F_REPLACE set, but no existing node found!