[    1.706112] ip (258) used greatest stack depth: 12392 bytes left
[    1.799211] ip (266) used greatest stack depth: 12296 bytes left
[    2.033958] ip (294) used greatest stack depth: 12168 bytes left
[   79.084383] netem: version 1.3
[  618.685384] tc (24872) used greatest stack depth: 11864 bytes left