[   29.210121][  T261] ip (261) used greatest stack depth: 24464 bytes left
[   31.562184][  T277] ip (277) used greatest stack depth: 24224 bytes left
[   31.884976][  T279] ip (279) used greatest stack depth: 22752 bytes left
[  313.628249][ T2109] netem: version 1.3