[    1.589416] ip (268) used greatest stack depth: 12568 bytes left
[    1.720337] ip (286) used greatest stack depth: 12392 bytes left
[    1.790909] ip (295) used greatest stack depth: 12216 bytes left
[   49.881202] netem: version 1.3
[   65.462710] ip (3415) used greatest stack depth: 12200 bytes left
[  549.334714] tc (16939) used greatest stack depth: 11896 bytes left
[  605.585151] pm_nl_ctl (20239) used greatest stack depth: 11864 bytes left