[    1.373200] ip (217) used greatest stack depth: 12216 bytes left
[    1.449266] ip (240) used greatest stack depth: 11976 bytes left
[   29.843953] ip (2600) used greatest stack depth: 11960 bytes left
[   51.242773] netem: version 1.3
[  544.333141] pm_nl_ctl (24822) used greatest stack depth: 11856 bytes left