[    1.899172] ip (293) used greatest stack depth: 12248 bytes left
[   48.981898] netem: version 1.3
[  367.363029] ip (7398) used greatest stack depth: 12232 bytes left
[  639.212471] tc (21123) used greatest stack depth: 11952 bytes left
[  696.447752] pm_nl_ctl (24261) used greatest stack depth: 11736 bytes left