[    1.759241] ip (263) used greatest stack depth: 12800 bytes left
[    1.784558] ip (266) used greatest stack depth: 12752 bytes left
[    1.821338] ip (270) used greatest stack depth: 12528 bytes left
[    1.918841] ip (281) used greatest stack depth: 12320 bytes left
[    3.802261] ip (473) used greatest stack depth: 12272 bytes left
[   14.243182] ip (1016) used greatest stack depth: 12048 bytes left
[   46.667381] netem: version 1.3
[   61.736433] ip (2375) used greatest stack depth: 12000 bytes left
[  536.090814] tc (11905) used greatest stack depth: 11872 bytes left