[    1.684613] ip (286) used greatest stack depth: 12248 bytes left
[   46.581385] netem: version 1.3
[  503.944405] ip (13191) used greatest stack depth: 12232 bytes left
[  568.479665] tc (15680) used greatest stack depth: 11952 bytes left
[  688.456589] pm_nl_ctl (18828) used greatest stack depth: 11872 bytes left