From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E8B80C433E0 for ; Fri, 15 Jan 2021 19:54:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B131F22B2A for ; Fri, 15 Jan 2021 19:54:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388285AbhAOTyw (ORCPT ); Fri, 15 Jan 2021 14:54:52 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49928 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727670AbhAOTyu (ORCPT ); Fri, 15 Jan 2021 14:54:50 -0500 Received: from mail-ej1-x62d.google.com (mail-ej1-x62d.google.com [IPv6:2a00:1450:4864:20::62d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 62D2BC0613D3 for ; Fri, 15 Jan 2021 11:54:10 -0800 (PST) Received: by mail-ej1-x62d.google.com with SMTP id g12so14974777ejf.8 for ; Fri, 15 Jan 2021 11:54:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=6PPG6lXGZN+21fwcww0RDWdMIJ8BX6ET/3DqRAj9jcQ=; b=iMwmbJErDWv/43Pm+8zfn0CqKUfGfFi+ZlidCCnAtuA4gufO1X7YcbUQwaXM0d9jtj lDN5QK/wGmtVhNfF3VEYHoAKxluW9ZZ26MENdT5Yiv5bMCri/eu2UjBDnzS554oBovGD I4kCxC2tvQNgUbUEOppi+jRra1QXD/YgOx+sWCl4qvBrPDUD9r7r8yl5vtCRxC9poetY cHCp485sdcdwBknWaKenyniDZK/MY4yLxYdnXeIE/6/kJK3bAbZA6Z3rkUyonlDtOi19 mXIfATaC0nxoXDMNnoSJU4d5dfC0s1LSHJMQ3UKkUIIsFEZ0jt3EF1LboopCYAcVmKmN WJBw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=6PPG6lXGZN+21fwcww0RDWdMIJ8BX6ET/3DqRAj9jcQ=; b=kr8u+WPuFNMf/X3EqxAIa9xoTzUCuhUhwsXpTdp9n8HsnCjnvtrAg7QQt8hSlsbs3a 3Wk99ufVcN0+xTUBAaKRCxL+orUgUe7SRIanOlgAqZ8SdCjuUMDhsTGNacNk6UFvuqGt e3WTfAE10I0hgdh+LoxiLpepaNYFqraa2WMaq4pZn2QCu/1OewWouS4VBnqUaRUkSVv2 CN5LPQFM7vt7DvgrT9LAeBrZ17UoAQS7/zpjFe1gffniXyPVLi6uJFok8pDF+C2hdwN4 a97GLlcwQitJpt3Dk52nytBVR2hwUsl5ELqKHYVQ4J2pzK2nfoPQANPt3BAOnYlxFbYZ PkmA== X-Gm-Message-State: AOAM5338g+qD2jgsfY6j1EIfRfv2NLdcxw8uisVcWLi8Kr8Jo4xaZGY5 XL8nZMJIBuErrMjSEcZyF6Y= X-Google-Smtp-Source: ABdhPJzJk9CiGP4IcOYFt9cA5NThV0L8v1JIXYG3a2xOnsU4xg4SMmj4NGkRBj4b4jq+5axmEfo1IQ== X-Received: by 2002:a17:907:c01:: with SMTP id ga1mr9740624ejc.488.1610740449111; Fri, 15 Jan 2021 11:54:09 -0800 (PST) Received: from skbuf (5-12-227-87.residential.rdsnet.ro. [5.12.227.87]) by smtp.gmail.com with ESMTPSA id u26sm4685548edo.37.2021.01.15.11.54.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Jan 2021 11:54:08 -0800 (PST) Date: Fri, 15 Jan 2021 21:54:07 +0200 From: Vladimir Oltean To: Jakub Kicinski Cc: netdev@vger.kernel.org, alexandre.belloni@bootlin.com, andrew@lunn.ch, f.fainelli@gmail.com, vivien.didelot@gmail.com, alexandru.marginean@nxp.com, claudiu.manoil@nxp.com, xiaoliang.yang_1@nxp.com, hongbo.wang@nxp.com, jiri@resnulli.us, idosch@idosch.org, UNGLinuxDriver@microchip.com Subject: Re: Renaming interfaces that are up (Was "Re: [PATCH v3 net-next 08/10] net: mscc: ocelot: register devlink") ports Message-ID: <20210115195407.2flujwhhm24y6tty@skbuf> References: <20210108175950.484854-1-olteanv@gmail.com> <20210108175950.484854-9-olteanv@gmail.com> <20210109174439.404713f6@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> <20210111171344.j6chsp5djr5t5ykk@skbuf> <20210111111909.4cf0174f@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> <20210114103405.yizjfsk4idzgnpot@skbuf> <20210114084435.094c260a@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> <20210115171142.4iylui5uuv5vljwq@skbuf> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210115171142.4iylui5uuv5vljwq@skbuf> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Fri, Jan 15, 2021 at 07:11:42PM +0200, Vladimir Oltean wrote: > By the way I removed the if condition and added nothing in its place, > just to see what would happen. I see a lot of these messages, I did not > investigate where they are coming from and why they are emitted. They go > away when I rename the interface back to swp0. Looks like it's again related to dhcpcd. If I rename the interface while it's down, the link-local IPv6 addresses don't get endlessly deleted as they do if I rename it while it's up. Also, if I live-rename the interface while dhcpcd isn't up, that behavior disappears too. Still not sure why it happens.