[    1.990073] ip (272) used greatest stack depth: 12320 bytes left
[    5.006249] ip (543) used greatest stack depth: 12048 bytes left
[   38.159248] ip (1793) used greatest stack depth: 12032 bytes left
[   47.251257] netem: version 1.3
[  480.535919] ip (10224) used greatest stack depth: 12016 bytes left
[  542.132738] tc (11915) used greatest stack depth: 11872 bytes left