[    1.794288] ip (255) used greatest stack depth: 12392 bytes left
[    2.184885] ip (287) used greatest stack depth: 12360 bytes left
[    4.662443] ip (494) used greatest stack depth: 12344 bytes left
[   53.502701] netem: version 1.3
[  201.756521] ip (3479) used greatest stack depth: 12192 bytes left
[  548.283097] ip (10954) used greatest stack depth: 12160 bytes left