[    2.224363] ip (295) used greatest stack depth: 12248 bytes left
[    5.376444] ip (633) used greatest stack depth: 12232 bytes left
[   52.440819] netem: version 1.3
[   69.031818] ip (3159) used greatest stack depth: 12120 bytes left
[  560.717069] tc (15678) used greatest stack depth: 11952 bytes left
[  648.572179] pm_nl_ctl (18826) used greatest stack depth: 11864 bytes left