[ Upstream commite29630247b] secmark context is artificially limited 256 bytes, rise it to 4Kbytes. Fixes:fb96194545("netfilter: nf_tables: add SECMARK support") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Sasha Levin <sashal@kernel.org>