[    2.931271] ip (287) used greatest stack depth: 12360 bytes left
[    3.091680] ip (296) used greatest stack depth: 12344 bytes left
[   64.538113] netem: version 1.3
[  388.639976] ip (6489) used greatest stack depth: 12304 bytes left
[  568.625446] ip (12136) used greatest stack depth: 12288 bytes left