Do not fatal for ordinary consume errors

[jmacd]

What is the current behavior?

The collector will exit because of a transient failure.

What is the new behavior?

It will log the failure.

Pull request checklist

Please check if your PR fulfills the following requirements:

• [x] Tests(make test) for the changes have been added (for bug fixes / features) and pass
• [ ] Docs have been reviewed and added / updated if needed (for bug fixes / features)
• [x] Lint (make lint) has passed locally and any fixes were made for failures

Pull request type

Please check the type of change your PR introduces:

• [x] Bugfix
• [ ] Feature
• [ ] Code style update (formatting, renaming)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] Documentation content changes
• [ ] Other (please describe):

Does this introduce a breaking change?

• [ ] Yes
• [x] No

Other information

The process fails in a difficult to diagnose way! It exits with status 0 and the log explaining why is nowhere near the bottom.