[    1.504582] ip (256) used greatest stack depth: 12264 bytes left
[    2.082866] ip (406) used greatest stack depth: 12232 bytes left
[    2.668570] ip (567) used greatest stack depth: 11960 bytes left
[   51.018812] netem: version 1.3
[  126.763716] ip (5229) used greatest stack depth: 11936 bytes left
[  564.834542] pm_nl_ctl (24823) used greatest stack depth: 11856 bytes left