[   33.767498][  T286] ip (286) used greatest stack depth: 24224 bytes left
[   35.547580][  T297] ip (297) used greatest stack depth: 23888 bytes left
[  391.603991][ T2247] netem: version 1.3
[ 1029.227527][ T5172] ip (5172) used greatest stack depth: 23632 bytes left