[    2.000718] ip (259) used greatest stack depth: 12392 bytes left
[    2.527035] ip (296) used greatest stack depth: 12360 bytes left
[    3.958253] ip (401) used greatest stack depth: 12344 bytes left
[   50.204332] ip (2398) used greatest stack depth: 12192 bytes left
[   57.134953] netem: version 1.3