[    2.478572] ip (291) used greatest stack depth: 12480 bytes left
[    2.506593] ip (293) used greatest stack depth: 12384 bytes left
[    9.568290] ip (899) used greatest stack depth: 12256 bytes left
[   55.886786] netem: version 1.3
[  617.009580] tc (15686) used greatest stack depth: 11896 bytes left
[  682.963500] pm_nl_ctl (18830) used greatest stack depth: 11880 bytes left
[  693.306692] kworker/0:2 (1334) used greatest stack depth: 11808 bytes left