[    1.893622] ip (257) used greatest stack depth: 12168 bytes left
[    2.086362] ip (275) used greatest stack depth: 11928 bytes left
[   76.406485] netem: version 1.3
[  636.586491] tc (24872) used greatest stack depth: 11880 bytes left
[  700.959962] pm_nl_ctl (29001) used greatest stack depth: 11832 bytes left