[    1.846065] ip (269) used greatest stack depth: 12512 bytes left
[    1.918830] ip (278) used greatest stack depth: 12432 bytes left
[    1.995666] ip (287) used greatest stack depth: 12288 bytes left
[    2.070757] ip (296) used greatest stack depth: 12256 bytes left
[   35.363276] ip (1729) used greatest stack depth: 12160 bytes left
[   51.231494] netem: version 1.3
[  576.434590] tc (15680) used greatest stack depth: 11928 bytes left
[  634.584812] pm_nl_ctl (18826) used greatest stack depth: 11872 bytes left