[Feature] Specify network interface to use (alexjustesen#1963)

Author: svenvg93

app/Jobs/Ookla/RunSpeedtestJob.php

@@ -64,6 +64,7 @@ public function handle(): void
             '--accept-gdpr',
             '--format=json',
             $this->result->server_id ? '--server-id='.$this->result->server_id : null,
+            config('speedtest.interface') ? '--interface='.config('speedtest.interface') : null,
         ]);
 
         $process = new Process($command);

config/speedtest.php

@@ -35,6 +35,8 @@
 
     'blocked_servers' => env('SPEEDTEST_BLOCKED_SERVERS'),
 
+    'interface' => env('SPEEDTEST_INTERFACE'),
+
     /**
      * IP filtering settings.
      */