[    1.611401] ip (255) used greatest stack depth: 12184 bytes left
[   48.278323] ip (3059) used greatest stack depth: 12168 bytes left
[   48.565862] netem: version 1.3
[  547.661860] tc (16943) used greatest stack depth: 11928 bytes left
[  603.293364] pm_nl_ctl (20243) used greatest stack depth: 11864 bytes left