[    1.530787] ip (254) used greatest stack depth: 12264 bytes left
[    1.794135] ip (285) used greatest stack depth: 12216 bytes left
[   46.471438] netem: version 1.3
[   69.633867] ip (3286) used greatest stack depth: 12200 bytes left
[  600.152679] tc (21429) used greatest stack depth: 11952 bytes left
[  662.885019] pm_nl_ctl (24567) used greatest stack depth: 11752 bytes left