[ Upstream commit0d7c83463f] Instead of EINVAL which should be used for malformed netlink messages. Fixes:eb31628e37("netfilter: nf_tables: Add support for IPv6 NAT") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Sasha Levin <sashal@kernel.org>