VirtioProxy is the cure for broken Mirrored Mode

[thecodedrift]

This came up when WSL could no longer contact the host system. Docker worked as expected, but localhost calls began to fail. Switching to the new proxy option fixed it, as of this writing I don't know why.

In case I get stuck on this again...

Ref:

• Undocumented VirtioProxy networking mode. microsoft/WSL#12706
• After Windows Update 24H2 WSL cannot access the internet microsoft/WSL#12353