[    2.507407] ip (217) used greatest stack depth: 12440 bytes left
[    2.527290] ip (222) used greatest stack depth: 12216 bytes left
[    2.563401] ip (230) used greatest stack depth: 11960 bytes left
[   52.446428] netem: version 1.3
[   61.147923] ip (4479) used greatest stack depth: 11936 bytes left
[  558.034830] pm_nl_ctl (24830) used greatest stack depth: 11848 bytes left