don't forget to send candidate-error when we get only a local IP

src/common/socks5.py

@@ -118,14 +118,18 @@ class SocksQueue:
         file_props = FilesProp.getFileProp(account, sid)
         file_props.failure_cb = on_failure
         con = gajim.connections[account]
-        if not file_props.streamhosts:
-            on_failure(file_props.sid)
-        # add streamhosts to the queue
+        streamhosts_to_test = []
+        # Remove local IPs to not connect to ourself
         for streamhost in file_props.streamhosts:
             if streamhost['host'] == '127.0.0.1' or \
                     streamhost['host'] == '::1' or \
                     streamhost['host'] == con.peerhost[0]:
                 continue
+            streamhosts_to_test.append(streamhost)
+        if not streamhosts_to_test:
+            on_failure(file_props.sid)
+        # add streamhosts to the queue
+        for streamhost in streamhosts_to_test:
             if 'type' in streamhost and streamhost['type'] == 'proxy':
                 fp = None
             else: