[    1.675113] ip (249) used greatest stack depth: 12368 bytes left
[    2.096333] ip (288) used greatest stack depth: 12320 bytes left
[   21.972775] ip (1116) used greatest stack depth: 12048 bytes left
[   47.645893] netem: version 1.3
[  559.808843] tc (11914) used greatest stack depth: 11872 bytes left