sed -i -e "s%${ROOT_GUEST}%UUID=${ROOT_UUID}%" ${prefix}/etc/fstab
sed -i -e "s%${SWAP_GUEST}%UUID=${SWAP_UUID}%" ${prefix}/etc/fstab
sed -i -e "s%${ROOT_GUEST}%UUID=${ROOT_UUID}%" ${prefix}/etc/fstab
sed -i -e "s%${SWAP_GUEST}%UUID=${SWAP_UUID}%" ${prefix}/etc/fstab