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gluon

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    • Forked from firmware / FFS Gluon
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    gluon-ebtables-filter-multicast: block packets with Gluon VXLAN multicast destination
    Matthias Schiffer authored and github-actions[bot] committed 
    An incorrectly connected node may send wired-mesh packets to another
node's client port. For raw batman-adv, such frames are filtered by
batman-adv, but this does not work with VXLAN encapsulation.

While such packets are not flooded through the mesh because of the
batman-adv noflood flag, they may still reach another node that is
connected in the same incorrect way, which could result in loops and
other connectivity issues.

Filter out packets sent to our VXLAN multicast group address to avoid
such problems.

Fixes #3025

(cherry picked from commit 090bcda7)
    7303e846
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