[fix] Only show network init message if valid

setup/so-setup

@@ -257,7 +257,9 @@ if ! [ -f /root/install_opt ]; then
 		whiptail_management_server
 	fi
 
-	whiptail_management_interface_setup
+	if [[ $is_minion || $is_iso ]]; then
+		whiptail_management_interface_setup
+	fi
 
 	if [[ "$setup_type" == 'iso' ]]; then
 		# Init networking so rest of install works