[   55.342864] netem: version 1.3
[   87.970076] ip (3561) used greatest stack depth: 12120 bytes left
[   88.262037] ip (3596) used greatest stack depth: 11976 bytes left
[  562.763071] tc (16942) used greatest stack depth: 11872 bytes left
[  620.158217] pm_nl_ctl (20242) used greatest stack depth: 11864 bytes left