[    1.716499] ip (267) used greatest stack depth: 12472 bytes left
[    1.795061] ip (277) used greatest stack depth: 12392 bytes left
[    1.871807] ip (286) used greatest stack depth: 12232 bytes left
[    1.949083] ip (295) used greatest stack depth: 12216 bytes left
[    3.078917] ip (429) used greatest stack depth: 12200 bytes left
[   49.987045] netem: version 1.3
[   57.549817] ip (3224) used greatest stack depth: 12120 bytes left
[  549.072588] tc (16942) used greatest stack depth: 11896 bytes left
[  606.015556] pm_nl_ctl (20243) used greatest stack depth: 11856 bytes left