[    1.998491] ip (256) used greatest stack depth: 12632 bytes left
[    2.030831] ip (259) used greatest stack depth: 12392 bytes left
[    2.414128] ip (287) used greatest stack depth: 12360 bytes left
[    4.553145] ip (466) used greatest stack depth: 12344 bytes left
[   60.797060] netem: version 1.3
[  418.565321] ip (7463) used greatest stack depth: 12192 bytes left