[    1.723534] ip (266) used greatest stack depth: 12440 bytes left
[    1.800476] ip (276) used greatest stack depth: 12376 bytes left
[    1.952012] ip (294) used greatest stack depth: 12248 bytes left
[    4.098432] ip (565) used greatest stack depth: 12216 bytes left
[   48.727058] netem: version 1.3
[  119.289298] ip (4062) used greatest stack depth: 12136 bytes left
[  562.398545] tc (16939) used greatest stack depth: 11928 bytes left
[  624.420002] pm_nl_ctl (20240) used greatest stack depth: 11880 bytes left