[ 2358.820934] Running test [R:13175743 T:22 - Storage - multipath mapping test - Kernel: 6.2.0-rc2] 
[ 2360.606684] scsi_debug:sdebug_driver_probe: scsi_debug: trim poll_queues to 0. poll_q/nr_hw = (0/1) 
[ 2360.607322] scsi host0: scsi_debug: version 0191 [20210520] 
[ 2360.607322]   dev_size_mb=1024, opts=0x0, submit_queues=1, statistics=0 
[ 2360.608430] scsi 0:0:0:0: Direct-Access     Linux    scsi_debug       0191 PQ: 0 ANSI: 7 
[ 2360.609402] sd 0:0:0:0: Power-on or device reset occurred 
[ 2360.610073] sd 0:0:0:0: Attached scsi generic sg0 type 0 
[ 2360.629979] sd 0:0:0:0: [sda] 2097152 512-byte logical blocks: (1.07 GB/1.00 GiB) 
[ 2360.640624] sd 0:0:0:0: [sda] Write Protect is off 
[ 2360.661047] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, supports DPO and FUA 
[ 2360.691749] sd 0:0:0:0: [sda] Preferred minimum I/O size 512 bytes 
[ 2360.692154] sd 0:0:0:0: [sda] Optimal transfer size 524288 bytes 
[ 2360.836974] sd 0:0:0:0: [sda] Attached SCSI disk 
[ 2361.331524] device-mapper: multipath service-time: version 0.3.0 loaded 
[ 2364.111431] dm-1: detected capacity change from 2097152 to 0 
[ 2373.186542] sd 0:0:0:0: [sda] Synchronizing SCSI cache