netdev - Re: [PATCH net-next RFC] net: skip printing "link become ready" v6 msg

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Message-ID: <63ee166d-6b33-2293-4ff2-2c42d350580a@kernel.org>
Date: Thu, 1 Jun 2023 11:43:35 -0600
From: David Ahern <dsahern@...nel.org>
To: Stephen Hemminger <stephen@...workplumber.org>,
 Matthieu Baerts <matthieu.baerts@...sares.net>
Cc: mptcp@...ts.linux.dev, "David S. Miller" <davem@...emloft.net>,
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>, Mat Martineau <martineau@...nel.org>,
 Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next RFC] net: skip printing "link become ready" v6
 msg

On 6/1/23 11:37 AM, Stephen Hemminger wrote:
> On Thu, 01 Jun 2023 16:34:36 +0200
> Matthieu Baerts <matthieu.baerts@...sares.net> wrote:
> 
>> This following message is printed in the console each time a network
>> device configured with an IPv6 addresses is ready to be used:
>>
>>   ADDRCONF(NETDEV_CHANGE): <iface>: link becomes ready
>>
>> When netns are being extensively used -- e.g. by re-creating netns with
>> veth to discuss with each other for testing purposes like mptcp_join.sh
>> selftest does -- it generates a lot of messages: more than 700 when
>> executing mptcp_join.sh with the latest version.
> 
> Don't add yet another network nerd knob.
> Just change message from pr_info to pr_debug.

+1