Minor bug fix for the "sharedlan" of the shared nodes experiment, as

reported by Hussam.

tbsetup/libvtop.pm.in

@@ -6946,11 +6946,9 @@ sub UploadVlans($)
 	    my $lanname;
 	    $lan->GetAttribute("link/lan", \$lanname);
 	    my $virtlan = $self->vlans()->{$lanname};
-	    if (!defined($virtlan)) {
-		tberror("Could not find link/lan $lanname in lan list!\n");
-		return -1;
-	    }
+	    if (defined($virtlan)) {
 		$lan->SetAttribute("failureaction", $virtlan->failureaction());
+	    }
 	    
 	    my @members;
 	    if ($lan->MemberList(\@members) != 0) {