[    1.883310] ip (259) used greatest stack depth: 12392 bytes left
[    2.155982] ip (278) used greatest stack depth: 12360 bytes left
[    2.254919] ip (287) used greatest stack depth: 12344 bytes left
[   52.006030] netem: version 1.3
[  481.143484] ip (8444) used greatest stack depth: 12240 bytes left
[  612.235621] tc (12830) used greatest stack depth: 11936 bytes left