[0:0:0:0]    cd/dvd  QEMU     QEMU DVD-ROM     2.5+  /dev/sr0 
  device_blocked=0
  iocounterbits=32
  iodone_cnt=0xea1
  ioerr_cnt=0x5
  iorequest_cnt=0xea1
  queue_depth=1
  queue_type=none
  scsi_level=6
  state=running
  timeout=30
  type=5
