table: Embed creating nft version into userdata

Upon listing a table which was created by a newer version of nftables,
warn about the potentially incomplete content.

Suggested-by: Florian Westphal <fw@strlen.de>
Cc: Dan Winship <danwinship@redhat.com>
Signed-off-by: Phil Sutter <phil@nwl.cc>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/rule.h b/include/rule.h
index 498a88bf..8d2f29d0 100644
--- a/include/rule.h
+++ b/include/rule.h
@@ -170,6 +170,7 @@ struct table {
 	uint32_t		owner;
 	const char		*comment;
 	bool			has_xt_stmts;
+	bool			is_from_future;
 };
 
 extern struct table *table_alloc(void);