From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pablo Neira Ayuso <pablo@netfilter.org>
Subject: Re: [PATCH iptables 2/2] libxtables: pass AI_ADDRCONFIG flag to
 getaddrinfo()
Date: Wed, 8 Mar 2017 15:00:06 +0100
Message-ID: <20170308140006.GA11040@salvia>
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Cc: netfilter-devel@vger.kernel.org, alexander@alemayhu.com
To: Jan Engelhardt <jengelh@inai.de>
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On Wed, Mar 08, 2017 at 02:56:24PM +0100, Jan Engelhardt wrote:
> 
> On Wednesday 2017-03-08 14:16, Pablo Neira Ayuso wrote:
> >
> >If hints.ai_flags includes the AI_ADDRCONFIG flag, then IPv4 addresses
> >are returned in the list pointed to by res only if the local system has
> >at least one IPv4 address configured, and IPv6 addresses are only
> >returned if the local system has at least one IPv6 address configured.
> 
> But even if a system has no IPv4 address - think of a bridge -, you may
> want to resolve an `iptables -A FORWARD -s ... ` request.

Right, the br_netfilter Frankenstein needs this. Will make a second
shot at this.