One or more block group descriptor checksums are invalid.  Fix? yes

Group descriptor 0 checksum is 0xffff, should be 0x4972.  FIXED.
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), 18/512 blocks
Exit status is 0