Improved code for all I/O operations wirh recover

interface.go

@@ -85,6 +85,15 @@ func (b *AbstractBridge) configureIpAndBridgeUp() {
 
 func (b *AbstractBridge) removeIPandBridgeInt() {
 
+	// we want the program to recover in case of issues
+	defer func() {
+		if r := recover(); r != nil {
+
+			fmt.Println("An error happened in <removeIPandBridgeInt()>, but Zoreide recovered. ")
+			fmt.Println("Error was: ", r)
+		}
+	}()
+
 	br, err := tenus.NewLinkFrom(b.ExistingInterface)
 	if err != nil {
 		log.Println(err.Error())