[   31.734073][  T261] ip (261) used greatest stack depth: 24400 bytes left
[   34.216186][  T278] ip (278) used greatest stack depth: 24096 bytes left
[   35.998170][  T289] ip (289) used greatest stack depth: 23744 bytes left
[  349.604608][ T2122] netem: version 1.3