removed nodefiles and added raise interface functionnality

rootfs overrides/core/ip.js

@@ -32,4 +32,12 @@ function setFlags(interface, flags) {
     return ip.setFlags(interface, flags)
 }
 
-module.exports = { setFlags, flags }
+/**
+ * @param { string } interface
+ * @returns { number }
+ */
+function getFlags(interface) {
+    return ip.getFlags(interface);
+}
+
+module.exports = { setFlags, getFlags, flags }