Add end of setup log messages per #5032

setup/so-functions

@@ -1537,6 +1537,10 @@ install_cleanup() {
 		info "Removing so-setup permission entry from sudoers file"
 		sed -i '/so-setup/d' /etc/sudoers
 	fi
+
+	if [[ -z $SO_ERROR ]]; then
+		echo "Setup completed at $(date)" >> "$setup_log" 2>&1
+	fi
 }
 
 import_registry_docker() {