[   33.285714][  T258] ip (258) used greatest stack depth: 24592 bytes left
[   35.915209][  T268] ip (268) used greatest stack depth: 24576 bytes left
[   37.542809][  T278] ip (278) used greatest stack depth: 23648 bytes left
[  400.417700][ T2243] netem: version 1.3