[   28.709732][  T263] ip (263) used greatest stack depth: 24528 bytes left
[   29.168820][  T266] ip (266) used greatest stack depth: 24000 bytes left
[   32.561381][  T290] ip (290) used greatest stack depth: 23744 bytes left
[   41.706454][  T362] ip (362) used greatest stack depth: 22992 bytes left
[  308.463974][ T2114] netem: version 1.3