[   37.949421][  T274] ip (274) used greatest stack depth: 23928 bytes left
[   42.248889][  T298] ip (298) used greatest stack depth: 23648 bytes left
[  397.689087][ T2242] netem: version 1.3
[ 2208.959881][T12646] tc (12646) used greatest stack depth: 23376 bytes left