drive-ide0-0-0
filename    : '/var/lib/libvirt/images/d.1499152698'
format node : '#block179'
format drv  : 'qcow2'
storage node: '#block042'
storage drv : 'file'
  filename    : '/var/lib/libvirt/images/d.1499152668'
  format node : '#block312'
  format drv  : 'qcow2'
  storage node: '#block259'
  storage drv : 'file'
    filename    : '/var/lib/libvirt/images/d'
    format node : '#block551'
    format drv  : 'qcow2'
    storage node: '#block449'
    storage drv : 'file'
      filename    : '/var/lib/libvirt/images/c'
      format node : '#block717'
      format drv  : 'qcow2'
      storage node: '#block618'
      storage drv : 'file'
        filename    : '/var/lib/libvirt/images/a'
        format node : '#block901'
        format drv  : 'raw'
        storage node: '#block846'
        storage drv : 'file'