[    2.494030] ip (287) used greatest stack depth: 12360 bytes left
[    4.010302] ip (401) used greatest stack depth: 12344 bytes left
[    6.646125] ip (592) used greatest stack depth: 12192 bytes left
[   54.862422] netem: version 1.3
[  476.689627] ip (9297) used greatest stack depth: 12160 bytes left
[  597.045494] tc (13806) used greatest stack depth: 11936 bytes left
[  659.731470] pm_nl_ctl (16722) used greatest stack depth: 11832 bytes left