Superblock MMP block checksum does not match MMP block.  Fix? yes

Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
test_filesys: 11/128 files (0.0% non-contiguous), 19/512 blocks
Exit status is 0