[   50.070423] netem: version 1.3
[  484.207502] ip (12261) used greatest stack depth: 12136 bytes left
[  569.234717] ip (16905) used greatest stack depth: 12024 bytes left
[  569.591894] tc (16943) used greatest stack depth: 11920 bytes left
[  625.725646] pm_nl_ctl (20244) used greatest stack depth: 11864 bytes left