qemu: Don't compare local and remote hostnames on migration
Libvirt tries to forbid migration onto the same host and it does that by checking if local and remote hostnames are the same and whether local and remote UUIDs are the same. Well, the latter makes sense but the former doesn't really because libvirtd can be running inside an UTS namespace and hostnames can appear the same on both sides of migration. On the other hand, host UUIDs are unique, so rely on them when trying to prevent migration onto the same host. Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1639596Signed-off-by: NMichal Privoznik <mprivozn@redhat.com> Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com>
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