[   38.193032][  T272] ip (272) used greatest stack depth: 24056 bytes left
[   40.622912][  T285] ip (285) used greatest stack depth: 24032 bytes left
[   90.723858][  T590] ip (590) used greatest stack depth: 23408 bytes left
[  436.708555][ T2525] netem: version 1.3