docs: public void changeConnection(MEConnection downConn, MEConnection upConn)
    {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.entry(tc, "changeConnection", new Object[] { this, downConn, upConn} );
  
      if(downConn != null)
      {
        //remove the connection which has gone down
        removeConnection(downConn);
      }
        
      // The new connection will be created when needed
      
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.exit(tc, "changeConnection");
    }