1dumpe2fs: MMP block checksum does not match while trying to open test.img 2dumpe2fs: MMP last updated by 'test_node' on test date 3Exit status is 1 4Superblock MMP block checksum does not match. Fix? yes 5 6Pass 1: Checking inodes, blocks, and sizes 7Pass 2: Checking directory structure 8Pass 3: Checking directory connectivity 9Pass 4: Checking reference counts 10Pass 5: Checking group summary information 11test_filesys: 11/128 files (0.0% non-contiguous), 19/512 blocks 12Exit status is 0 13dumpe2fs: it is safe to mount 'test.img', MMP is clean 14Exit status is 0 15MMP_block: 16 mmp_magic: 0x4d4d50 17 mmp_check_interval: 5 18 mmp_sequence: 0xff4d4d50 19 mmp_update_date: test date 20 mmp_update_time: test_time 21 mmp_node_name: test_node 22 mmp_device_name: test.img 23 mmp_block_number: 8 24