[    2.200389] ip (267) used greatest stack depth: 12680 bytes left
[    2.302833] ip (276) used greatest stack depth: 12360 bytes left
[    2.404172] ip (285) used greatest stack depth: 12344 bytes left
[    2.507041] ip (294) used greatest stack depth: 12192 bytes left
[    3.582141] ip (373) used greatest stack depth: 12064 bytes left
[   55.313087] netem: version 1.3