> Ok, I got it. > > so, to apply the pending conf > > qm set 100 -virtio0 local:100/vm-100-disk-2.qcow2 > > that should give us > > [CONF] > virtio0: local:100/vm-100-disk-2.qcow2 > unused0: local:100/vm-100-disk-1.qcow2 yes