[    1.740144] ip (254) used greatest stack depth: 12168 bytes left
[   66.085040] netem: version 1.3
[   84.215745] ip (4746) used greatest stack depth: 12152 bytes left
[  610.525095] tc (23604) used greatest stack depth: 11880 bytes left
[  677.051988] pm_nl_ctl (27732) used greatest stack depth: 11800 bytes left