[libvirt-users] virsh net-start default fails

Michal Privoznik mprivozn at redhat.com
Wed Oct 8 07:52:13 UTC 2014

On 07.10.2014 20:53, David Roundy wrote:
> Hi all,
> I'm getting an error, and have failed to succeed in googling for help
> with it.  I have an old VM that I created a while back (at least one
> reboot ago, possibly a kernel upgrade ago), and am now finding that it
> won't start due to a lack of the 'default' network.
> When I look for how to fix this, everyone seems to agree on the command:
> # virsh net-start default
> error: failed to get network 'default'
> error: An error occurred, but the cause is unknown
> But this fails.  A natural next check would be to use net-list:
> # virsh net-list --all
> Name                 State      Autostart
> -----------------------------------------
> Which demonstrates that the 'default' network is unknown.  I'm certain
> that it used to exist, and the file
> /var/lib/libvirt/network/default.xml

This is the runtime XML of the network which means the network is 
already running. Maybe turning on the debug logs will shed more light 
into this.



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