Ignore register_rds errors (#66185)
Summary:
Network communications are flaky by nature, test should be marked as
skipped if network ops can not be completed for some reason
Fixes https://github.com/pytorch/pytorch/issues/66184
Pull Request resolved: https://github.com/pytorch/pytorch/pull/66185
Reviewed By: seemethere
Differential Revision: D31423193
Pulled By: malfet
fbshipit-source-id: 96c3a123c65913f44ea78b30a03e8e7eda164afe
