> > we pass $nockeck to  vm_qmp_command, so the following should be good enough:
> > 
> > -        if ($config->{agent}) {
> > +        if ($conf->{agent}) {
> 
> But conf may be undefined if we do not load the config. So check for a key
> might issue a warning.
OK, you are right. I just applied your patch - thanks!