mount lv

Hello all, Dumb here! ;) Long story short, I have added a new SSD as a LVM, but I wanted to create a LVM-Thin instead. So, I migrated all my VM disks to another storage LVM, wiped the disk and created a LVM-Thin. After that, I migrated all my VMs back into the new SSD. Then, comes the GENIUS...

I'm trying to pass through an existing LV to a container. I believe this means I need to use an image based, storage backed mountpoint as described here, which mentions a special syntax for creating a new LV, but there is no mention of the option to mount an existing LV. I have created a new...