Adding again sleep as asked by the creator

KrustyHack · KrustyHack · commit 87bb5b706d0c · 2015-04-15T17:23:10.000+02:00
diff --git a/when-up b/when-up
@@ -25,6 +25,7 @@ echo "Waiting for $HOST to come online..."
 
 false
 while [ $? -ne 0 ]; do
+    sleep 1
     ping -c 1 -W 1 $HOST >/dev/null
 done
 
