[    2.369628] ip (256) used greatest stack depth: 12392 bytes left
[    2.821826] ip (278) used greatest stack depth: 12360 bytes left
[    3.108574] ip (296) used greatest stack depth: 12344 bytes left
[   63.712742] netem: version 1.3
[  303.086427] ip (4798) used greatest stack depth: 12192 bytes left
[  550.969333] ip (11825) used greatest stack depth: 12128 bytes left