netfilter: bridge: Drops IPv6 packets if IPv6 module is not loaded
A kernel panic can happen if a host has disabled IPv6 on boot and have to process guest packets (coming from a bridge) using it's ip6tables. IPv6 packets need to be dropped if the IPv6 module is not loaded, and the host ip6tables will be used. Signed-off-by: Leonardo Bras <leonardo@linux.ibm.com> Acked-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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