static function displayInvalidList()
 {
     global $DB;
     $query = "SELECT DISTINCT `TYPE`\n                  FROM `glpi_plugin_ocsinventoryng_networkports`";
     $type_results = $DB->request($query);
     echo "<br>\n<div class ='center'><table class='tab_cadrehov'>";
     if ($type_results->numrows() > 0) {
         echo "<tr class='tab_bg_2'><th colspan='4'>" . self::getTypeName(2) . "</th></tr>";
         foreach ($type_results as $type) {
             $query = "SELECT `TYPEMIB`, `TYPE`,\n                             GROUP_CONCAT(DISTINCT `speed` SEPARATOR '#') AS speed\n                        FROM `glpi_plugin_ocsinventoryng_networkports`\n                       WHERE `TYPE` = '" . $type['TYPE'] . "'\n                       GROUP BY `TYPEMIB`";
             $typemib_results = $DB->request($query);
             echo "<tr class='tab_bg_1'>";
             echo "<td rowspan='" . $typemib_results->numrows() . "'>" . self::getTextualType($type['TYPE']) . "</td>";
             $first = True;
             foreach ($typemib_results as $typemib) {
                 if (!$first) {
                     echo "<tr class='tab_bg_1'>";
                 } else {
                     $first = False;
                 }
                 echo "<td>" . self::getTextualType($typemib['TYPEMIB']) . "</td>";
                 // Normalize speeds ...
                 $speeds = array();
                 foreach (explode('#', $typemib['speed']) as $speed) {
                     $speed = NetworkPortEthernet::transformPortSpeed($speed, false);
                     if ($speed !== false and !in_array($speed, $speeds)) {
                         $speeds[] = $speed;
                     }
                 }
                 asort($speeds);
                 $printable_speeds = array();
                 foreach ($speeds as $speed) {
                     $printable_speeds[] = NetworkPortEthernet::transformPortSpeed($speed, true);
                 }
                 $typemib['speed'] = implode(', ', $printable_speeds);
                 echo "<td>" . $typemib['speed'] . "</td>";
                 echo "<td>" . PluginOcsinventoryngNetworkPortType::getLinkToCreateFromTypeAndTypeMIB($typemib) . "</td>";
                 echo "</tr>";
             }
         }
     } else {
         echo "<tr class='tab_bg_2'><th>" . __('No unknown network port type from OCS !', 'ocsinventoryng') . "</th></tr>";
     }
     echo "</table></div>";
 }