[  780.587032] run blktests loop/005 at 2022-10-02 18:56:48
[  780.600996] loop0: detected capacity change from 0 to 2048
[  780.675268] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2