chore: don't force bind interface when using fd for tun

listener/sing_tun/server.go

@@ -157,7 +157,7 @@ func New(options LC.Tun, tunnel C.Tunnel, additions ...inbound.Addition) (l *Lis
 	if options.FileDescriptor > 0 {
 		if tunnelName, err := getTunnelName(int32(options.FileDescriptor)); err == nil {
 			tunName = tunnelName // sing-tun must have the truth tun interface name even it from a fd
-			forwarderBindInterface = true
+			//forwarderBindInterface = true
 			log.Debugln("[TUN] use tun name %s for fd %d", tunnelName, options.FileDescriptor)
 		} else {
 			log.Warnln("[TUN] get tun name failed for fd %d, fallback to use tun interface name %s", options.FileDescriptor, tunName)