[    2.022547] ip (267) used greatest stack depth: 12424 bytes left
[    2.192528] ip (285) used greatest stack depth: 12328 bytes left
[    2.280993] ip (294) used greatest stack depth: 12200 bytes left
[    3.880943] ip (493) used greatest stack depth: 12168 bytes left
[   78.160059] netem: version 1.3
[  682.190262] tc (26280) used greatest stack depth: 11864 bytes left
[  755.715861] pm_nl_ctl (30410) used greatest stack depth: 11800 bytes left