[  455.413488] run blktests loop/005 at 2022-09-30 20:53:25
[  455.429702] loop0: detected capacity change from 0 to 2048
[  455.453588] blk_print_req_error: 186 callbacks suppressed
[  455.453593] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2