[    2.185005] ip (185) used greatest stack depth: 12296 bytes left
[    2.252924] ip (207) used greatest stack depth: 12096 bytes left
[    3.978568] ip (705) used greatest stack depth: 12056 bytes left
[   50.752244] netem: version 1.3
[  545.578503] pm_nl_ctl (24845) used greatest stack depth: 11864 bytes left