It means that the simple approach (table checksum) failed, but that the rows are identical, which is a pass. Since the row checksum takes a lot longer than the table checksum, you want to have table checksums pass as much as possible

It means that the simple approach (table checksum) failed, but that the rows are identical, which is a pass. Since the row checksum takes a lot longer than the table checksum, you want to have table checksums pass as much as possible to avoid subsequent row checksums.