!8891 tbe select error， provide error msg

From: @jjfeing
Reviewed-by: @kisnwang,@chujinjin
Signed-off-by: @chujinjin

mindspore/ccsrc/backend/kernel_compiler/tbe/tbe_kernel_select/tbe_kernel_select.cc

@@ -491,7 +491,10 @@ std::string TbeKernelSelect::OpSelectFormat() {
   }
   res_json_str = AscendKernelBuildClient::Instance().SelectFormat(kernel_json.dump());
   if (res_json_str.empty()) {
-    MS_LOG(EXCEPTION) << "op select format error.";
+    MS_LOG(EXCEPTION) << "Op select format error.";
+  }
+  if (res_json_str.find("TBEException") != std::string::npos) {
+    MS_LOG(EXCEPTION) << "Dynamic op select failed: " << res_json_str;
   }
   MS_LOG(INFO) << "Dynamic select foramt response result:" << res_json_str;
   return res_json_str;