[    1.673829] ip (285) used greatest stack depth: 12248 bytes left
[    2.387441] ip (380) used greatest stack depth: 12232 bytes left
[   46.366870] netem: version 1.3
[   96.403674] ip (3647) used greatest stack depth: 11976 bytes left
[  546.706548] tc (15684) used greatest stack depth: 11952 bytes left
[  608.809470] pm_nl_ctl (18829) used greatest stack depth: 11872 bytes left