[    2.603473] ip (246) used greatest stack depth: 12080 bytes left
[   18.164091] ip (1716) used greatest stack depth: 12040 bytes left
[   52.562065] netem: version 1.3
[   99.755974] ip (5217) used greatest stack depth: 12008 bytes left
[  529.877595] pm_nl_ctl (24679) used greatest stack depth: 11856 bytes left