[    1.896862] ip (254) used greatest stack depth: 12152 bytes left
[   79.860663] netem: version 1.3
[  151.757806] ip (6497) used greatest stack depth: 12104 bytes left
[  659.331436] tc (26286) used greatest stack depth: 11864 bytes left
[  726.275678] pm_nl_ctl (30555) used greatest stack depth: 11800 bytes left