[   35.311876][  T257] ip (257) used greatest stack depth: 24032 bytes left
[   37.734369][  T268] ip (268) used greatest stack depth: 24000 bytes left
[   40.554583][  T283] ip (283) used greatest stack depth: 23280 bytes left
[  374.660395][ T2123] netem: version 1.3