show die-status in the stats list

src/ssh-backdoor-open

@@ -42,6 +42,9 @@ while true; do
          # failed
       #_ssh bin/ssh-kill $USER@$HOSTNAME $port || true
     }
-    sleep 10
+    for i in {1..10}; do
+       sleep 1
+       printf "      $i\r"
+    done
 done
 kill %1