[ 5093.364319] run blktests block/023 at 2022-09-23 16:02:13
[ 5093.382370] null_blk: disk nullb0 created
[ 5093.382390] null_blk: module loaded
[ 5093.768185] null_blk: disk nullb0 created
[ 5093.768203] null_blk: module loaded