[    1.840746] ip (267) used greatest stack depth: 12816 bytes left
[    1.930664] ip (276) used greatest stack depth: 12584 bytes left
[    2.097918] ip (295) used greatest stack depth: 12248 bytes left
[   49.145702] netem: version 1.3
[  490.410171] ip (13349) used greatest stack depth: 12232 bytes left
[  555.968072] tc (15679) used greatest stack depth: 11952 bytes left
[  613.916916] pm_nl_ctl (18824) used greatest stack depth: 11560 bytes left