fix build issue

image/build-image.sh

@@ -11,6 +11,8 @@ CONFIGURE_SH="${SCRIPT_DIR}/configure.sh"
 
 TMP=$(mktemp)
 
+modprobe nbd max_parts=8  && [ -e /dev/nbd0 ] || mknod /dev/nbd0 b 43 0
+
 cleanup() {
 	 rm $TMP
 }
@@ -29,7 +31,7 @@ alpine-make-vm-image \
 	--fs-skel-dir    "$OVERLAY_DIR" \
 	--fs-skel-chown  root:root \
 	--script-chroot \
-	--packages       "git curl docker cronie" \
+	--packages       "git curl docker cronie dhclient" \
 	"$IMAGE_FILE" \
 	"$CONFIGURE_SH" | tee $TMP