[    2.708389] ip (285) used greatest stack depth: 12360 bytes left
[    2.844714] ip (294) used greatest stack depth: 12344 bytes left
[   55.275699] netem: version 1.3
[  130.629892] ip (2895) used greatest stack depth: 12288 bytes left
[  331.492567] ip (5171) used greatest stack depth: 12064 bytes left