[    2.195664] ip (256) used greatest stack depth: 12888 bytes left
[    2.233954] ip (259) used greatest stack depth: 12544 bytes left
[    2.447436] ip (269) used greatest stack depth: 12528 bytes left
[    2.547799] ip (277) used greatest stack depth: 12400 bytes left
[    2.576451] ip (279) used greatest stack depth: 12272 bytes left
[   61.767501] netem: version 1.3
[  415.007187] ip (7879) used greatest stack depth: 12264 bytes left
[  577.041676] ip (14038) used greatest stack depth: 12248 bytes left
[  638.323580] tc (15679) used greatest stack depth: 11896 bytes left
[  702.125176] pm_nl_ctl (18826) used greatest stack depth: 11744 bytes left