[LTP] [PATCH v3 1/3] network/stress/multicast/packet-flood: Update to new API

[Petr Vorel]

Hi Joerg,

> > Minor comments, please update them if v4 needed.
> > Otherwise it can be fixed during merge.
> > Thanks for your work.
> I don't think I'll submit a v4, if you want to fix this during merge, it is
> ok to me.
Merged with 2 fixes (using route_cleanup in route-redirect.sh and typo
$n_NORMAL) and few minor style formatting.

Thanks a lot for your work!

Kind regards,
Petr