[    1.804516] ip (250) used greatest stack depth: 12912 bytes left
[    1.876448] ip (255) used greatest stack depth: 12368 bytes left
[    2.171035] ip (281) used greatest stack depth: 12320 bytes left
[   47.870566] netem: version 1.3
[   97.281668] ip (2611) used greatest stack depth: 12144 bytes left
[  553.748198] tc (11903) used greatest stack depth: 11872 bytes left