Migration with "--p2p --tunnelled" hanging in v6.9.0

[Peter Krempa]

On Tue, Nov 24, 2020 at 16:05:53 +0100, Christian Ehrhardt wrote:
> Hi,

[...]

> In git/news I only found these changes which sounded to be relevant:
>   f51cbe92c0 qemu: Allow migration over UNIX socket
>   c69915ccaf peer2peer migration: allow connecting to local sockets
> But I'm not using unix: and in the logs the only unix: mentions are for the
> qemu monitor and qemu-guest-agent.

One very important part of '--tunnelled' migration is the use of
virStream APIs to transport the migration data. Perhaps something there
is broken since it doesn't reproduce when not using the tunneel