[    2.056133] ip (267) used greatest stack depth: 12608 bytes left
[    2.153450] ip (276) used greatest stack depth: 12360 bytes left
[    2.341663] ip (294) used greatest stack depth: 12344 bytes left
[    5.218397] ip (491) used greatest stack depth: 12288 bytes left
[   54.348847] netem: version 1.3
[  427.328265] ip (7695) used greatest stack depth: 12192 bytes left