[    1.829250] ip (248) used greatest stack depth: 12392 bytes left
[    2.019429] ip (260) used greatest stack depth: 12344 bytes left
[    2.115303] ip (270) used greatest stack depth: 12296 bytes left
[   50.386414] netem: version 1.3
[  495.580212] ip (8906) used greatest stack depth: 12248 bytes left