Cherry picks gracefully handles getting instance topology and unhandled variants in 1.30

[mmerkes]

What type of PR is this?
/kind bug

What this PR does / why we need it:
Fixes issue described here.

Which issue(s) this PR fixes:

N/A

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

NONE

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[cartermckinnon]

/lgtm
/approve

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