修复一些格式问题

entry/src/kni_tun.cpp

@@ -85,7 +85,7 @@ int kni_tun_read(struct kni_tun_handle *handle, char *buff, uint16_t buff_len){
                 return 0;
             }
         }
-        KNI_LOG_ERROR(handle -> logger, "Failed at read, error = %d(%s)", errno, strerror(errno));
+        KNI_LOG_ERROR(handle->logger, "Failed at read, error = %d(%s)", errno, strerror(errno));
 	}
 	return ret;
 }