[    1.669670] ip (266) used greatest stack depth: 12392 bytes left
[    3.082355] ip (427) used greatest stack depth: 12216 bytes left
[    5.151246] ip (669) used greatest stack depth: 12168 bytes left
[   52.522754] netem: version 1.3
[   60.750266] ip (3215) used greatest stack depth: 12120 bytes left
[  557.218868] tc (16942) used greatest stack depth: 11896 bytes left
[  613.640088] pm_nl_ctl (20243) used greatest stack depth: 11864 bytes left