[    1.716472] ip (255) used greatest stack depth: 12144 bytes left
[   50.970725] netem: version 1.3
[   70.820392] ip (3388) used greatest stack depth: 12096 bytes left
[  573.969432] tc (16939) used greatest stack depth: 11896 bytes left
[  631.923181] pm_nl_ctl (20240) used greatest stack depth: 11864 bytes left