[    2.223128] ip (269) used greatest stack depth: 12528 bytes left
[    2.448668] ip (287) used greatest stack depth: 12488 bytes left
[    2.561239] ip (296) used greatest stack depth: 12360 bytes left
[    3.881401] ip (393) used greatest stack depth: 12344 bytes left
[   55.408691] netem: version 1.3
[  128.831851] ip (3027) used greatest stack depth: 12128 bytes left
[  605.495458] tc (12617) used greatest stack depth: 11936 bytes left