Implement requeues for vpc controller

[bcm820]

What type of PR is this?

What this PR does / why we need it:

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged): Fixes #

Special notes for your reviewer:

TODOs:

• [ ] squashed commits
• [ ] includes documentation
• [ ] adds unit tests
• [ ] adds or updates e2e tests