client: Improve cloudstack-setup-management message (#6822)

Improve the cloudstack-setup-management output message

Co-authored-by: Rahul Agarwal <rahul.agarwal@shapeblue.com>
Co-authored-by: Rohit Yadav <rohityadav89@gmail.com>
Co-authored-by: Stephan Krug <stekrug@icloud.com>

Author: 4 people

client/bindir/cloud-setup-management.in

@@ -52,7 +52,7 @@ if __name__ == '__main__':
         syscfg.registerService(cloudManagementConfig)
         syscfg.config()
         print("CloudStack Management Server setup is Done!")
-        print("Please ensure the following ports are open for the management server to function properly : 8080 8250 8443 9090")
+        print("Please ensure ports 8080, 8250, 8443, and 9090 are opened and not firewalled for the management server and not in use by other processes on this host.")
     except (CloudRuntimeException, CloudInternalException) as e:
         print(e)
         print("Try to restore your system:")