Re: [PATCH 0/1] MR9769: nsiproxy.sys: Assign the highest metric value to loopback adapters.

[Hans Leidekker (＠hans)]

It's adapter order from GetAdapterAddesses(). Linux doesn't have a concept of interface metric so we have to pick some value. The Windows machines I checked consistently assign a higher metric to the loopback interface compared to the ethernet interface so it sorts after and it's clear that applications depend on getting a non-loopback adapter first.

This user's is running Wine in a container and the adapter with a routeable address in that container gets the highest metric which means that after that commit the loopback adapter sorts before it.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/9769#note_125810