fix dependency loop

image/overlay/etc/init.d/auth-server

@@ -7,5 +7,11 @@ output_log="/data/auth-server.log"
 pidfile="/run/${RC_SVCNAME}.pid"
 
 depend() {
-    need net-online
+    need net
+}
+
+start_pre() {
+    while ! ip route | grep -q '^default'; do
+        sleep 1
+    done
 }