Add retry message suppression in network.port_is_up function

scripts/network.lua

@@ -60,6 +60,8 @@ function network.port_is_up(host, port, timeout_sec, check_interval_sec)
     -- Implement timeout loop with short intervals
     local start_time = os.time()
 
+    local retry_message_sent = false
+
     while (os.time() - start_time) < timeout do
       local cmd = string.format("nc -z -w1 %s %d 2>/dev/null", host, port)
       local success, reason, code = os.execute(cmd)
@@ -70,7 +72,11 @@ function network.port_is_up(host, port, timeout_sec, check_interval_sec)
 
       -- Wait before next check
       if (os.time() - start_time) < timeout then
-        utils.log("Port " .. port .. " not yet available on " .. host .. ", retrying in " .. check_interval_sec .. "s...")
+        if not retry_message_sent then
+          utils.log("Port " ..
+          port .. " not yet available on " .. host .. ", retrying every " .. check_interval_sec .. "s...")
+          retry_message_sent = true
+        end
         os.execute("sleep " .. check_interval_sec)
       end
     end