[    2.165572] ip (190) used greatest stack depth: 12256 bytes left
[    2.235412] ip (216) used greatest stack depth: 12048 bytes left
[   50.307431] netem: version 1.3
[  119.878371] ip (5195) used greatest stack depth: 12016 bytes left
[  543.603734] pm_nl_ctl (24830) used greatest stack depth: 11864 bytes left