[   67.188429][  T487] ip (487) used greatest stack depth: 23808 bytes left
[  392.207773][ T2236] netem: version 1.3
[  401.464185][ T2266] ip (2266) used greatest stack depth: 23792 bytes left
[  601.287149][ T3121] ip (3121) used greatest stack depth: 23632 bytes left