Changes
/* Restore the VM */
#* <source lang="bash">virsh undefine vm-001</source>
# Overwrite the original disk image:
#* <source lang="bash">mv /path/to/retain/vm-001.qcow2 /path/to/images/vm-001.qcow2</codesource>
#** '''Important:''' If a VM has more than just one disk image, repeat this step for every disk image
# Restore the VMs backend entry:
