netdev - Re: [PATCH] selftests: net: fib-onlink-tests: Set high metric for default IPv6 route

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Message-ID: <9c979662-cdd9-4733-911d-b1071b7c2912@gmail.com>
Date: Fri, 19 Dec 2025 08:51:48 -0700
From: David Ahern <dsahern@...il.com>
To: Fernando Fernandez Mancera <fmancera@...e.de>,
 Ricardo B. Marlière <rbm@...e.com>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 Simon Horman <horms@...nel.org>, Shuah Khan <shuah@...nel.org>
Cc: netdev@...r.kernel.org, linux-kselftest@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] selftests: net: fib-onlink-tests: Set high metric for
 default IPv6 route

On 12/19/25 7:51 AM, Fernando Fernandez Mancera wrote:
> It would probably require some work on the test but I think it could
> benefit from using two different network namespaces. Currently it is
> using PEER_NS and the default. I think avoiding the default one is
> beneficial for everyone as it ensures the state is clean and that the
> test won't interrupt the system connectivity.
> 
> Other tests already do that, e.g some tests in fib_tests.sh use ns1 and
> ns2 namespaces.
> 
> What do you all think?

agreed.