[    2.199575] ip (215) used greatest stack depth: 12096 bytes left
[    3.316067] ip (525) used greatest stack depth: 12056 bytes left
[   50.885788] netem: version 1.3
[   69.504541] ip (4640) used greatest stack depth: 12048 bytes left
[  547.803979] pm_nl_ctl (24830) used greatest stack depth: 11864 bytes left