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

Group descriptor 0 checksum is 0x4972, should be 0x7074.  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
Inode bitmap differences: Group 0 inode bitmap does not match checksum.
FIXED.
Block bitmap differences: Group 0 block bitmap does not match checksum.
FIXED.

test_filesys: ***** FILE SYSTEM WAS MODIFIED *****
test_filesys: 11/128 files (0.0% non-contiguous), 18/512 blocks
Exit status is 1