Merge pull request #133 from rminnich/removeLogErrorForNon-NFSErrors

conn: remove the log.Errorf for non-NFS protocol errors

conn.go

@@ -127,7 +127,6 @@ func (c *conn) handle(ctx context.Context, w *response) error {
 		return drainErr
 	}
 	if appError != nil && !w.responded {
-		Log.Errorf("call to %+v failed: %v", handler, appError)
 		if err := c.err(ctx, w, appError); err != nil {
 			return err
 		}