Change "Invalid IP" msgs to info loglevel

mynettcptable.go

@@ -26,7 +26,7 @@ import (
 )
 
 const (
-	version = "1.0.0-rc3"
+	version = "1.0.0-rc4"
 )
 
 var (
@@ -227,7 +227,12 @@ func handleConnection(connClt net.Conn, conLdap *ldap.Conn) {
 		// First query netCache built with ipNetworkNumber
 		res, err := isIPContainedInNetCache(ip)
 		if err != nil {
-			logstream.Error(err.Error())
+			if strings.EqualFold(err.Error(), fmt.Sprintf("Invalid IP: %s", ip)) {
+				// We don't want those msg to pollute logs
+				logstream.Info(err.Error())
+			} else {
+				logstream.Error(err.Error())
+			}
 			sendResponse(connClt, err.Error(), 500)
 			continue
 		}