lvdisplay
 LV UUID                d4gzD8-SR3j-ycV4-nwx0-0cOY-fAsH-gyYMC3

cryttab
ubuntu-swap_crypt UUID=60203fec-148d-4efb-af42-af0c9c551cde none luks,swap,discard

fstab
/dev/mapper/ubuntu-swap_crypt none            swap    sw              0       0