assertEquals(ChannelState.FAILED, channel.getState());
    
    // Verify recovery attempted
    Thread.sleep(2000);
    assertTrue(channel.getState() == ChannelState.ESTABLISHED 
        || manager.getChannels().isEmpty());
}
```

### 7.2 Integration Tests
```java
@Test
public void testMultiChannelThroughput() throws Exception {
    // Requires multi-NIC test environment

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