Add more logging in net modifier
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/28327
Test Plan:
Failed as expected and the full protobuf is logged
f145060005
Reviewed By: ffjiang, wx1988
Differential Revision: D17975560
fbshipit-source-id: 5375acffc1f9dede16622b06eb58b6c3a26ebe5a
