Improve debug message for metadata guard failure

[mlazos]

🐛 Describe the bug

Received feedback that

pytorch/torch/_dynamo/guards.py

Line 1654 in 968f90c

def TENSOR_SUBCLASS_METADATA_MATCH(self, guard: Guard):

printouts can be pretty hard to interpret, we should be able to improve this.

Error logs

No response

Versions

all versions

cc @chauhang @penguinwu @voznesenskym @EikanWang @jgong5 @Guobing-Chen @XiaobingSuper @zhuhaozhe @blzheng @wenzhe-nrv @jiayisunx @chenyang78 @kadeng @amjames

[dsashidh]

Working on this unless anyone objects

[dsashidh]

Are you referring to guard setup messages or actual guard failure messages? And could you share an example of a current hard-to-interpret message you're seeing?