root@pve:~# ls /dev/loop0*
/dev/loop0 /dev/loop0p1 /dev/loop0p2
root@pve:~# mount /dev/loop0p2 /mnt/vzsnap0
mount: /mnt/vzsnap0: unknown filesystem type 'LVM2_member'.
root@pve:~# mount -t ext4 /dev/loop0p2 /mnt/vzsnap0
mount: /mnt/vzsnap0: wrong fs type, bad option, bad superblock on...