From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f178.google.com (mail-pf1-f178.google.com [209.85.210.178]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A574D42501 for ; Thu, 1 Jun 2023 17:37:45 +0000 (UTC) Received: by mail-pf1-f178.google.com with SMTP id d2e1a72fcca58-64d57cd373fso1864055b3a.1 for ; Thu, 01 Jun 2023 10:37:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20221208.gappssmtp.com; s=20221208; t=1685641065; x=1688233065; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=3VaooKom1fpr+/gFLUK2ePWF2zVhCHZPLzAcFMttDEM=; b=MHSqsckRCpeDoAGkYMTNaUf8HXTi7i1vORvFkCxMTEUbOwF3hDPYiDc7fFQMPlAq2F cXQdYOZneqJDanRwrJGT5TiAw3lSbDh/dzwSjw6g4CmcRcd2jULq+fPI64PC3km0AJ8o 2PjBMI8jyygfqWvpj/9HPpCKdpPk7v0MskmbjN6d7QCnag4DGEbtq3amlJSeDTwYc3zT c0cV9wX4QJgURi4YJnSboQbChb1aZWzL1hvpMQc5EufEqPm6+DIaJwCYZOZ6FWPWEgmi 1vId6smHDNqp1/Et5J7vtutwuBFt7gM/c2cO7oARrjPxprOFoTUBsByAcCb0gBVMlPmH 8rkQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685641065; x=1688233065; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=3VaooKom1fpr+/gFLUK2ePWF2zVhCHZPLzAcFMttDEM=; b=iv8+88RSOAoL/rie41L71/mv0W7mlZsPJeWusqq7LaHS8VWHG993+2fu3DwUSsCzUg /7iE7CkrDdU0fC6YSmyy77ZevJq0CZSGohtvApkjSdCFQMCXolXdKYGKSzDf+VQ4aAVZ gCgyfLdhHWsHXy2TeyXWQZyncW+N6s4k9RdWNbsL8VImugIX4JGeIHlWw8T0tfSgUQth kO3uEtcxsPlenBXVS4Yu3STYnPHcO3OGnhmJ5ywl7G02MUSp7MrDX2RJVWFhF8XvHqcu X/lwlpsVdOXd2x0tZkDxnKtWEdqtnGiGEm9Zs3UhM2xqJfVSDXBNvsmwGQlV+vsbbGpH PvNg== X-Gm-Message-State: AC+VfDzHfyXjEv4LwAComJch9kdILTMynQrJpkbFndGAeq0pwNhLBDwL OtfAnpytpUt31VmDcTudPTpv9g== X-Google-Smtp-Source: ACHHUZ7z6hqFz0/ybL9ukj5Ma2ElT9E2J0J2UDKTdWLYHsIJgV2YGGUXYubX2wob3APlALw7YS3Uvg== X-Received: by 2002:a05:6a20:3d87:b0:104:1016:dd0e with SMTP id s7-20020a056a203d8700b001041016dd0emr3075210pzi.3.1685641064841; Thu, 01 Jun 2023 10:37:44 -0700 (PDT) Received: from hermes.local (204-195-120-218.wavecable.com. [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> Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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.