[    2.087800] ip (249) used greatest stack depth: 12384 bytes left
[    2.465688] ip (270) used greatest stack depth: 12336 bytes left
[   54.616636] netem: version 1.3
[  101.518158] ip (2738) used greatest stack depth: 12296 bytes left
[  395.137935] ip (7081) used greatest stack depth: 12184 bytes left