[   29.765964][  T259] ip (259) used greatest stack depth: 24576 bytes left
[   32.139558][  T276] ip (276) used greatest stack depth: 24504 bytes left
[   32.488561][  T278] ip (278) used greatest stack depth: 23584 bytes left
[  349.176664][ T2134] netem: version 1.3