Fix ERR message when running ondiscover in the chain table

xCAT-server/lib/xcat/plugins/destiny.pm

@@ -185,6 +185,11 @@ sub setdestiny {
                 $state = $stents{$_}->[0]->{currstate};
                 $state =~ s/ .*//;
 
+                #skip the node if state=ondiscover
+                if ($state eq 'ondiscover') {
+                    next;
+                }
+
                 #get the osimagename if nodetype.provmethod has osimage specified
                 #use it for both sninit and genesis operating
                 if (($state eq 'install') || ($state eq 'netboot') || ($state eq 'statelite')) {