[    1.943758] ip (250) used greatest stack depth: 12392 bytes left
[    2.266042] ip (271) used greatest stack depth: 12344 bytes left
[   49.749485] netem: version 1.3
[  586.876066] ip (11906) used greatest stack depth: 12264 bytes left
[  587.245573] tc (11926) used greatest stack depth: 11872 bytes left