[    1.722067] ip (268) used greatest stack depth: 12736 bytes left
[    1.804424] ip (277) used greatest stack depth: 12368 bytes left
[    1.969718] ip (295) used greatest stack depth: 12192 bytes left
[   41.029662] ip (2590) used greatest stack depth: 12096 bytes left
[   49.885936] netem: version 1.3
[  573.596238] tc (16940) used greatest stack depth: 11896 bytes left
[  629.929837] pm_nl_ctl (20241) used greatest stack depth: 11864 bytes left