[   40.109285][  T291] ip (291) used greatest stack depth: 23632 bytes left
[   63.468968][  T422] ip (422) used greatest stack depth: 22864 bytes left
[  494.005297][ T2855] netem: version 1.3
[ 3049.984428][T18846] pm_nl_ctl (18846) used greatest stack depth: 21392 bytes left