[   30.739316][  T271] ip (271) used greatest stack depth: 23632 bytes left
[   46.098020][  T379] ip (379) used greatest stack depth: 23600 bytes left
[  378.197778][ T2241] netem: version 1.3
[ 2215.247604][T12648] tc (12648) used greatest stack depth: 22856 bytes left