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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 2FF6DC43218 for ; Mon, 10 Jun 2019 22:45:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 023B620820 for ; Mon, 10 Jun 2019 22:45:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=networkplumber-org.20150623.gappssmtp.com header.i=@networkplumber-org.20150623.gappssmtp.com header.b="ou2/NVgr" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390390AbfFJWpz (ORCPT ); Mon, 10 Jun 2019 18:45:55 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:42697 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390139AbfFJWpz (ORCPT ); Mon, 10 Jun 2019 18:45:55 -0400 Received: by mail-pf1-f195.google.com with SMTP id q10so6108325pff.9 for ; Mon, 10 Jun 2019 15:45:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=EOjigTvWdPVT6gCCvqoCROQTzRt/JKCSN3aOLcsbEH4=; b=ou2/NVgrUDGRoL2EAgXXyf1r8d5JspXMYL1/2kiMta2ssKtSYedgrlGgkbxVxtWmHU yooYWeItTyMOj2rNMT9DahX2GJIRKFvxsW1H40W9M5uXKbAYQSbG2ljIfXnJhDmXBFFQ pb18S0ycJmb5tu6ToZjK1DInYM62P1Q6OKMqWUY1ROOnfm9r0sepJu8ROEOlBaTCCUJe muli6PQ1jUaxNa0DJhcqsM/yn6bDApte9Q3QoytX7Aa9YI1HGW2ekXeHub4GQVrkDIMU Vr9rHeKDP1zMbm+3IDv9Dst+nRj3rQsbDFbwcWhN/gYv9/7VJUvWjY99RTfZXNaWm5Re PsZA== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=EOjigTvWdPVT6gCCvqoCROQTzRt/JKCSN3aOLcsbEH4=; b=rJFMPFW3pzar5lVOkZ78euKZwDBzzTPSlkYjshlqdDBY1DJiyn35xG66G5VYnIVKi1 pXlHsuhkaEZj0rDqjNn+qGwpnDqPcEp1QSKJEBqdmf2itkmckXSztYlPFSHZ2iSHgidW Pyv104Ej4GRLoZwl7qz5h776sc0Owb+O8XFY9hbXf+lsZYre6awXCV31Nne+nhuh8XcI k5gq5G1HCxselbXMPOw6ZKJl78JT3GY6as88iNYFUMggvPofidPiyvMcJAhbC3+XiEuo G3MceCsY/HqM+HfUMMUOw1WIB0Kd9K8A8JVKQvTktqZuzBnC/AdSvY4qvf8T6xChQDfp mg8g== X-Gm-Message-State: APjAAAX7uXGl25Xh4xcn3QzrjIkvSe4tsJQkNS+iahdJ1TPySZQwZvg2 jKplLi/w+MScU1xkOesXEdoynw== X-Google-Smtp-Source: APXvYqxO0VeO+f6RoxLDRbdu9MxrgqrBdXG7evEdtIBFkRQPluuq032Ou1PGBDrPfOYYoXUavgfk6Q== X-Received: by 2002:a17:90a:be0a:: with SMTP id a10mr22355461pjs.112.1560206754926; Mon, 10 Jun 2019 15:45:54 -0700 (PDT) Received: from hermes.lan (204-195-22-127.wavecable.com. [204.195.22.127]) by smtp.gmail.com with ESMTPSA id 124sm12535461pfe.124.2019.06.10.15.45.54 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Mon, 10 Jun 2019 15:45:54 -0700 (PDT) Date: Mon, 10 Jun 2019 15:45:52 -0700 From: Stephen Hemminger To: Matteo Croce Cc: netdev@vger.kernel.org, David Ahern Subject: Re: [PATCH iproute2 1/2] netns: switch netns in the child when executing commands Message-ID: <20190610154552.4dfa54af@hermes.lan> In-Reply-To: <20190610221613.7554-2-mcroce@redhat.com> References: <20190610221613.7554-1-mcroce@redhat.com> <20190610221613.7554-2-mcroce@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Tue, 11 Jun 2019 00:16:12 +0200 Matteo Croce wrote: > + printf("\nnetns: %s\n", nsname); > + cmd_exec(argv[0], argv, true, nsname); > return 0; simple printf breaks JSON output.