[[ -f /etc/machine-id ]] && read MACHINE_ID < /etc/machine-id
-mount -o ro /boot &>/dev/null
+mount -o ro /boot &>/dev/null || true
if [[ $MACHINE_ID ]] && [[ -d /boot/${MACHINE_ID} || -L /boot/${MACHINE_ID} ]] ; then
IMG="/boot/${MACHINE_ID}/${KERNEL_VERSION}/initrd"