private void establishChannel(int index) throws IOException {
        // Select interfaces for this channel
        NetworkInterfaceInfo localIf = selectLocalInterface(index);
        NetworkInterfaceInfo remoteIf = selectRemoteInterface(index);

        if (localIf == null || remoteIf == null) {
            log.warn("Cannot select interfaces for channel {}", index);
            return;
        }

    private void establishChannel(int index) throws IOException {
        // Select interfaces for this channel
        NetworkInterfaceInfo localIf = selectLocalInterface(index);
        NetworkInterfaceInfo remoteIf = selectRemoteInterface(index);
        
        // Create transport for this channel
        SmbTransport transport = createTransport(localIf, remoteIf);
        
        // Create channel info