// If createTransport returns null (no mock setup), remove immediately
        try {
            SmbTransport testTransport = manager.createTransport(failedChannel.getLocalInterface(), failedChannel.getRemoteInterface());
            if (testTransport == null) {
                // No recovery possible, remove synchronously
                removeChannel(failedChannel);
                return;
            }

        return localInterface;
    }

    /**
     * Get remote network interface
     *
     * @return remote interface info
     */
    public NetworkInterfaceInfo getRemoteInterface() {
        return remoteInterface;
    }

    /**
     * Get current channel state
     *
     * @return channel state
     */
    public ChannelState getState() {
        return state;

        
        try {
            baos.write(session.getSessionKey());
            baos.write(channel.getLocalInterface().getAddress().getAddress());
            baos.write(channel.getRemoteInterface().getAddress().getAddress());
            baos.write(ByteBuffer.allocate(8).putLong(System.currentTimeMillis()).array());
        } catch (IOException e) {
            // Should not happen with ByteArrayOutputStream

        // Wait a bit for recovery attempt
        Thread.sleep(100);

        verify(mockChannelManager).createTransport(failedChannel.getLocalInterface(), failedChannel.getRemoteInterface());
    }

    @Test
    void testMultipleFailuresExceedRetryLimit() {
        IOException error = new IOException("Connection failed");

        // Simulate multiple failures

        assertEquals(mockTransport, channelInfo.getTransport());
        assertEquals(localInterface, channelInfo.getLocalInterface());
        assertEquals(remoteInterface, channelInfo.getRemoteInterface());
        assertEquals(ChannelState.DISCONNECTED, channelInfo.getState());
        assertFalse(channelInfo.isPrimary());
        assertEquals(0, channelInfo.getBytesSent());

            ChannelInfo maxBandwidthChannel = null;
            int maxBandwidth = 0;
            for (ChannelInfo channel : channels) {
                int linkSpeed = channel.getRemoteInterface().getLinkSpeed();
                if (linkSpeed > maxBandwidth) {
                    maxBandwidth = linkSpeed;
                    maxBandwidthChannel = channel;
                }
            }

        assertEquals("test-channel", channel.getChannelId());
        assertEquals(mockTransport, channel.getTransport());
        assertEquals(localNic, channel.getLocalInterface());
        assertEquals(remoteNic, channel.getRemoteInterface());
        assertEquals(ChannelState.ESTABLISHED, channel.getState());
        assertTrue(channel.isHealthy());

        // Test metrics
        channel.incrementRequestsSent();

            if (sessionKey != null) {
                baos.write(sessionKey);
            }
            baos.write(channel.getLocalInterface().getAddress().getAddress());
            baos.write(channel.getRemoteInterface().getAddress().getAddress());
            baos.write(ByteBuffer.allocate(8).putLong(System.currentTimeMillis()).array());
        } catch (IOException e) {
            // Should not happen with ByteArrayOutputStream