[    1.841903] ip (267) used greatest stack depth: 12408 bytes left
[    2.017942] ip (286) used greatest stack depth: 12200 bytes left
[   50.063830] netem: version 1.3
[  565.317112] tc (15677) used greatest stack depth: 11952 bytes left
[  622.901958] pm_nl_ctl (18821) used greatest stack depth: 11872 bytes left