[   37.669205][  T280] ip (280) used greatest stack depth: 24192 bytes left
[   48.109396][  T348] ip (348) used greatest stack depth: 24160 bytes left
[  370.133714][ T2115] netem: version 1.3
[ 1023.700272][ T4997] ip (4997) used greatest stack depth: 23856 bytes left