netdev - Re: [PATCH net-next 0/8] disable neigh update for tunnels during pmtu update

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Message-ID: <20191218120147.GA27948@dhcp-12-139.nay.redhat.com>
Date:   Wed, 18 Dec 2019 20:01:48 +0800
From:   Hangbin Liu <liuhangbin@...il.com>
To:     netdev@...r.kernel.org
Cc:     Julian Anastasov <ja@....bg>,
        Marcelo Ricardo Leitner <marcelo.leitner@...il.com>,
        David Ahern <dsahern@...il.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Guillaume Nault <gnault@...hat.com>,
        David Miller <davem@...emloft.net>,
        Pablo Neira <pablo@...filter.org>,
        Stephen Hemminger <stephen@...workplumber.org>,
        Alexey Kodanev <alexey.kodanev@...cle.com>
Subject: Re: [PATCH net-next 0/8] disable neigh update for tunnels during
 pmtu update

On Wed, Dec 18, 2019 at 07:53:05PM +0800, Hangbin Liu wrote:
> When we setup a pair of gretap, ping each other and create neighbour cache.
> Then delete and recreate one side. We will never be able to ping6 to the new
> created gretap.
> 

Oh... Sorry I forgot to add PATCHv3 in the subject...