[    1.799533] ip (249) used greatest stack depth: 12368 bytes left
[    2.071465] ip (270) used greatest stack depth: 12320 bytes left
[    4.137824] ip (472) used greatest stack depth: 12048 bytes left
[   44.731774] netem: version 1.3
[  544.395548] tc (11907) used greatest stack depth: 11872 bytes left