[    1.478816] ip (228) used greatest stack depth: 12472 bytes left
[    1.548007] ip (254) used greatest stack depth: 12424 bytes left
[    1.553788] ip (256) used greatest stack depth: 11960 bytes left
[   51.108846] netem: version 1.3
[  560.915401] pm_nl_ctl (24821) used greatest stack depth: 11856 bytes left