[    1.593450] ip (249) used greatest stack depth: 12368 bytes left
[    1.893146] ip (279) used greatest stack depth: 12320 bytes left
[   46.046435] netem: version 1.3
[   55.614535] ip (2243) used greatest stack depth: 12032 bytes left
[  561.244706] tc (11907) used greatest stack depth: 11872 bytes left