[    2.024736] ip (249) used greatest stack depth: 12432 bytes left
[    2.121647] ip (254) used greatest stack depth: 12368 bytes left
[    2.609717] ip (288) used greatest stack depth: 12320 bytes left
[   52.987410] netem: version 1.3
[   93.489918] ip (2618) used greatest stack depth: 12272 bytes left
[  582.628112] tc (11922) used greatest stack depth: 11872 bytes left