stop processing after zone lookup failed

[mateusz-jablonski94]

Description

Fixes #2610
See issue for a detailed description.

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: mateusz-jablonski94 / name: Mateusz Jabłoński (43a477f)

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[njuettner]

Closing this PR, please sign the CLA first otherwise we cannot merge the PR 😞

[mateusz-jablonski94]

@njuettner cla signed :)

[IanMoroney]

@njuettner , @sheerun , can we get this PR re-opened and merged?
I just ran into an issue that this PR could have solved and it caused an outage for me.

[mateusz-jablonski94]

/reopen

[k8s-ci-robot]

@mateusz-jablonski94: Reopened this PR.

In response to this:

/reopen

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[mateusz-jablonski94]

@njuettner @shaneutt @IanMoroney
PR and linked issue: #2610 is reopened

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/lifecycle stale

[mateusz-jablonski94]

/remove-lifecycle stale

[szuecs]

/approve
/lgtm

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: mateusz-jablonski94, szuecs

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