[   31.437588][  T272] ip (272) used greatest stack depth: 23504 bytes left
[   61.535051][  T474] ip (474) used greatest stack depth: 23456 bytes left
[  151.288849][ T1005] ip (1005) used greatest stack depth: 23232 bytes left
[  346.434919][ T2126] netem: version 1.3