do not crash when a conenction can not be done

secop.py

@@ -152,13 +152,13 @@ class ScanStream(UdpStream):
         self.select_dict[sock.fileno()] = self
 
 
-def send_fake_udp(uri, equipment_id='fake'):
+def send_fake_udp(uri, device='fake'):
     sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
     sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
     msg = json.dumps({
         'SECoP': 'for_other_node',
         'uri': uri,
-        'equipment_id': equipment_id,
+        'device': device,
     }, ensure_ascii=False, separators=(',', ':')).encode('utf-8')
     sock.sendto(msg, ('255.255.255.255', SECOP_UDP_PORT))