[   27.238517][  T270] ip (270) used greatest stack depth: 24184 bytes left
[   39.061498][  T372] ip (372) used greatest stack depth: 23696 bytes left
[  291.907949][ T2129] netem: version 1.3
[ 1138.541844][ T7004] ip (7004) used greatest stack depth: 23616 bytes left