sudo mount -o offset=4096,sizelimit=1952518144 /dev/ubuntu-vg/root /mnt
mount: /dev/loop1 is write-protected, mounting read-only
mount: wrong fs type, bad option, bad superblock on /dev/loop1,
       missing codepage or helper program, or other error

       In some cases useful info is found in syslog - try
       dmesg | tail or so.