title: Enable Trace Log Level
body: <p>i have slf4j version 1.7.5. 
  How do i make log.trace() work such that isTraceEnabled() will return true.</p>
  
  <p>Also I have already added to my pipeline the following code:</p>
  
  <pre><code>pipeline.addLast(new LoggingHandler(LogLevel.TRACE));
  </code></pre>