#388 searching for 0.x.x.x returns Internal Server Error (C. Neuhaus)

lib/App/Netdisco/Web/Plugin/Search/Node.pm

@@ -23,6 +23,7 @@ ajax '/ajax/content/search/node' => require_login sub {
     my ( $start, $end ) = param('daterange') =~ m/(\d+-\d+-\d+)/gmx;
 
     my $mac = NetAddr::MAC->new(mac => $node);
+    undef $mac if ($mac and $mac->as_ieee and ($mac->as_ieee eq '00:00:00:00'));
     my @active = (param('archived') ? () : (-bool => 'active'));
 
     my (@times, @wifitimes, @porttimes);