--- fw_conntrack	2012-01-15 00:00:11.000000000 +0300
+++ fw_conntrack_p	2012-01-15 00:00:50.000000000 +0300
@@ -108,8 +108,8 @@
         }
     }
     if ($max) {
-        print "total.warning ", $max * 8 / 10, "\n";
-        print "total.critical ", $max * 9 / 10, "\n";
+        print "total.warning ", int( $max * 8 / 10 ), "\n";
+        print "total.critical ", int( $max * 9 / 10 ), "\n";
     }
     exit 0;
 }