[    1.375886] ip (217) used greatest stack depth: 12216 bytes left
[    1.453969] ip (239) used greatest stack depth: 12008 bytes left
[   16.865112] ip (1701) used greatest stack depth: 11960 bytes left
[   51.006901] netem: version 1.3
[  544.377267] pm_nl_ctl (24829) used greatest stack depth: 11856 bytes left