[   50.215536] scsi_debug:sdebug_driver_probe: scsi_debug: trim poll_queues to 0. poll_q/nr_hw = (0/1)
[   50.216669] scsi host2: scsi_debug: version 0191 [20210520]
                 dev_size_mb=1024, opts=0x0, submit_queues=1, statistics=0
[   50.218146] scsi 2:0:0:0: Direct-Access     Linux    scsi_debug       0191 PQ: 0 ANSI: 7
[   50.219190] sd 2:0:0:0: Power-on or device reset occurred
[   50.219918] sd 2:0:0:0: Attached scsi generic sg0 type 0
[   50.221834] sd 2:0:0:0: [sda] 2097152 512-byte logical blocks: (1.07 GB/1.00 GiB)
[   50.223696] sd 2:0:0:0: [sda] Write Protect is off
[   50.224256] sd 2:0:0:0: [sda] Mode Sense: 73 00 10 08
[   50.226295] sd 2:0:0:0: [sda] Write cache: enabled, read cache: enabled, supports DPO and FUA
[   50.230308] sd 2:0:0:0: [sda] Preferred minimum I/O size 512 bytes
[   50.231018] sd 2:0:0:0: [sda] Optimal transfer size 524288 bytes
[   50.242647] sd 2:0:0:0: [sda] Attached SCSI disk
[   50.368930] device-mapper: multipath service-time: version 0.3.0 loaded
[   53.500009] dm-1: detected capacity change from 2097152 to 0