Re: internal error: Network is already in use by interface virbr0

On 9/17/21 10:46, Laine Stump wrote: > On 9/17/21 7:11 AM, Michael Ströder wrote: >> When restarting libvirtd itself I see the following syslog warning >> message: >> >> libvirtd: 5733: warning : netcfIfaceRegister:1287 : Failed to initialize >> libnetcontrol.  Management of interface devices is disabled > > That's unrelated and unimportant. Most probably the libvirt APIs > affected by that have *never* operated properly on openSUSE (it uses a > "netcf-lookalike" that, AFAIU, accepts the same XML as netcf and has > some of the same functions, but was never really "complete", and is > probably just as much abandonware as netcf (which was abandoned, by > me, last year)), and it's likely that you never had the libnetcontrol > package installed at all, and have always had this warning but just > didn't notice it until now. On SUSE this generally means NetworkManager is being used on the host instead of wicked.

If the host is using wicked, most of libvirt's interface management APIs work, but with some limitations as you note.