Subject: Re: [PATCH net-next v5 0/4] selftests: net: fix false failures due to missing features and host interference

From: Simon Horman <[email-masked]>
Date: Fri, 20 Mar 2026 16:25:15 +0000

On Thu, Mar 19, 2026 at 10:31:19AM +0000, Aleksei Oladko wrote:
> Hi,
> 
> This series addresses several issues in the networking kselftests
> that cause false-positive failures depending on the host environment,
> kernel configuration, or library versions.
> 
> The main focus of these changes is to isolate tests from the host
> environment (using namespaces) and to ensure proper fallback or
> skipping when dependencies are missing.
> 
> Summary of changes:
> 1. Fixes ovs-dpctl.py to return a non-zero exit code when pyroute2
>    is too old. This allows pmtu.sh to correctly fall back to ovs-vsctl
>    instead of assuming the configuration was successful.
> 2-4. Move reuseport test into dedicated network namespaces. This prevents
>    failures caused by port conflicts with host processes or interference
>    from host firewall rules.
> 5. Ensures io_uring is enabled via sysctl before running io_uring_zerocopy
>    test, preventing failures on systems where kernel.io_uring_disabled
>    is set.
> 
> Signed-off-by: Aleksei Oladko <[email-masked]>

Hi,

Unfortunately this series does not apply cleanly to net-next,
which breaks out CI.

Please rebase and repost.

Thanks!

-- 
pw-bot: changes-requested