[    1.934909] ip (269) used greatest stack depth: 12320 bytes left
[   46.117003] ip (2107) used greatest stack depth: 12272 bytes left
[   46.307220] netem: version 1.3
[  240.025865] ip (4013) used greatest stack depth: 12032 bytes left
[  540.392314] tc (11910) used greatest stack depth: 11872 bytes left