netdev - Re: [PATCH 07/31] netfilter: ctnetlink: Support L3 protocol-filter on flush

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Date:   Fri, 26 Apr 2019 21:25:29 +0200
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     Nicolas Dichtel <nicolas.dichtel@...nd.com>
Cc:     netfilter-devel@...r.kernel.org,
        Kristian Evensen <kristian.evensen@...il.com>,
        davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [PATCH 07/31] netfilter: ctnetlink: Support L3 protocol-filter
 on flush

On Thu, Apr 25, 2019 at 05:41:45PM +0200, Nicolas Dichtel wrote:
> Le 25/04/2019 à 12:07, Nicolas Dichtel a écrit :
> [snip]
> > In fact, the conntrack tool set by default the family to AF_INET and forbid to
> > set the family to something else (the '-f' option is not allowed for the command
> > 'flush').
>
> 'conntrack -D -f ipv6' will do the job, but this is still a regression.

You mean, before this patch, flush was ignoring the family, and after
Kristian's patch, it forces you to use NFPROTO_UNSPEC to achieve the
same thing, right?