[   36.412721][  T520] ip (520) used greatest stack depth: 24224 bytes left
[   48.673628][  T663] ip (663) used greatest stack depth: 23592 bytes left
[  266.311770][ T2851] netem: version 1.3
[ 1874.140121][T19942] pm_nl_ctl (19942) used greatest stack depth: 22272 bytes left