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



On 9/17/21 13:11, Michael Ströder wrote:
> HI!
> 
> I'm using libvirt 7.7.0 on openSUSE Tumbleweed.
> 
> Until recently everything just worked. But now my virtual NAT network is
> not usable anymore.
> 
> Starting a VM I get this error:
> 
> # virsh start ae-dir-suse-p1
> error: Failed to start domain 'ae-dir-suse-p1'
> error: Requested operation is not valid: network 'vnet1' is not active
> 
> Manually starting the network does not work either:
> 
> # virsh net-start vnet1
> error: Failed to start network vnet1
> error: internal error: Network is already in use by interface virbr0
> 
> In syslog I find:
> 
> libvirtd: 6325: error : networkCheckRouteCollision:296 : internal error:
> Network is already in use by interface virbr0

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

Ciao, Michael.



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