[    2.039135] ip (295) used greatest stack depth: 12248 bytes left
[   50.052652] netem: version 1.3
[  510.587302] ip (12577) used greatest stack depth: 12232 bytes left
[  582.242338] tc (15678) used greatest stack depth: 11952 bytes left
[  640.887622] pm_nl_ctl (18823) used greatest stack depth: 11872 bytes left