[    2.372351] ip (261) used greatest stack depth: 12304 bytes left
[    2.899601] ip (292) used greatest stack depth: 12272 bytes left
[   10.240488] ip (771) used greatest stack depth: 12192 bytes left
[   68.312034] netem: version 1.3
[  639.681862] tc (15678) used greatest stack depth: 11936 bytes left
[  706.500089] pm_nl_ctl (18824) used greatest stack depth: 11720 bytes left