[    1.734094] ip (265) used greatest stack depth: 12376 bytes left
[    1.880580] ip (284) used greatest stack depth: 12232 bytes left
[    1.955168] ip (293) used greatest stack depth: 12200 bytes left
[   55.909788] netem: version 1.3
[  601.915104] tc (23659) used greatest stack depth: 11880 bytes left
[  726.490248] pm_nl_ctl (27796) used greatest stack depth: 11800 bytes left