[   39.681101] ip (258) used greatest stack depth: 12232 bytes left
[   85.676660] netem: version 1.3
[  137.730878] ip (3649) used greatest stack depth: 12104 bytes left
[  587.569748] tc (15678) used greatest stack depth: 11952 bytes left
[  647.958596] pm_nl_ctl (18823) used greatest stack depth: 11864 bytes left