[ 1559.955626][T28478] netperf (28478) used greatest stack depth: 23040 bytes left
[ 1566.799365][T28539] IPv6: NLM_F_REPLACE set, but no existing node found!
[ 1571.996738][T28543] netperf (28543) used greatest stack depth: 21216 bytes left
[ 1590.878685][T28669] IPv6: NLM_F_REPLACE set, but no existing node found!
[ 1596.064765][T28673] netperf (28673) used greatest stack depth: 21136 bytes left
[ 1614.998653][T28801] IPv6: NLM_F_REPLACE set, but no existing node found!
[ 1639.118079][T28931] IPv6: NLM_F_REPLACE set, but no existing node found!