[   35.151348][  T256] ip (256) used greatest stack depth: 24064 bytes left
[   38.454527][  T269] ip (269) used greatest stack depth: 23664 bytes left
[   86.911714][  T548] ip (548) used greatest stack depth: 23216 bytes left
[  397.899267][ T2242] netem: version 1.3