[iptables PATCH v2] xtables: Reserve space for 'opt' column in ip6tables output

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Although ip6tables does not support matching on fragments, the 'opt'
column is included in ruleset listing nevertheless. So
nft_ipv6_print_rule() has to fill that space up with blanks.

Signed-off-by: Phil Sutter <phil@xxxxxx>
---
Changes since v1:
- Handle FMT_NOTABLE case as well.
---
 iptables/nft-ipv6.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/iptables/nft-ipv6.c b/iptables/nft-ipv6.c
index 5315aba647be3..fa5b8c89f3db6 100644
--- a/iptables/nft-ipv6.c
+++ b/iptables/nft-ipv6.c
@@ -240,6 +240,11 @@ static void nft_ipv6_print_rule(struct nftnl_rule *r, unsigned int num,
 	print_rule_details(&cs, cs.jumpto, cs.fw6.ipv6.flags,
 			   cs.fw6.ipv6.invflags, cs.fw6.ipv6.proto,
 			   num, format);
+	if (format & FMT_OPTIONS) {
+		if (format & FMT_NOTABLE)
+			fputs("opt ", stdout);
+		fputs("   ", stdout);
+	}
 	print_ifaces(cs.fw6.ipv6.iniface, cs.fw6.ipv6.outiface,
 		     cs.fw6.ipv6.invflags, format);
 	print_ipv6_addr(&cs, format);
-- 
2.18.0

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