Merge pull request #3157 from Security-Onion-Solutions/feature/default-route-warn

[refactor] Make default route message a warning

setup/so-functions

@@ -756,9 +756,14 @@ compare_main_nic_ip() {
 		  read -r -d '' message <<- EOM
 			The IP being routed by Linux is not the IP address assigned to the management interface ($MNIC).
 
-			This is not a supported configuration, please remediate and rerun setup.
+			This has been known to cause installs to fail in some scenarios.
+			
+			Please select whether to continue the install or exit setup to remediate any potential issues.
 			EOM
-		  whiptail --title "Security Onion Setup" --msgbox "$message" 10 75
+			whiptail --title "Security Onion Setup" \
+				--yesno "$message" 10 75 \
+				--yes-button "Continue" --no-button "Exit" --defaultno
+
 			kill -SIGINT "$(ps --pid $$ -oppid=)"; exit 1
 			fi
 	else
@@ -766,7 +771,6 @@ compare_main_nic_ip() {
 		# just set the variable to the IP of the VPN interface
 		MAINIP=$MNIC_IP
 	fi
-	
 }
 
 compare_versions() {