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[204.195.120.218]) by smtp.gmail.com with ESMTPSA id s13-20020a65644d000000b0053fbacdaf59sm3139207pgv.69.2023.06.01.10.37.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Jun 2023 10:37:44 -0700 (PDT) Date: Thu, 1 Jun 2023 10:37:42 -0700 From: Stephen Hemminger To: Matthieu Baerts Cc: mptcp@lists.linux.dev, "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , David Ahern , Mat Martineau , Hideaki YOSHIFUJI , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next RFC] net: skip printing "link become ready" v6 msg Message-ID: <20230601103742.71285cf1@hermes.local> In-Reply-To: <20230601-net-next-skip_print_link_becomes_ready-v1-1-c13e64c14095@tessares.net> References: <20230601-net-next-skip_print_link_becomes_ready-v1-1-c13e64c14095@tessares.net> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 01 Jun 2023 16:34:36 +0200 Matthieu Baerts 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): : 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.