[release-0.15] 🐛 Fix TerminalError(nil).Error() panic

[sheidkamp]

Backport #2438 for use with k8s 1.27

[k8s-ci-robot]

Hi @sheidkamp. Thanks for your PR.

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[sbueringer]

/retitle [release-0.15] 🐛 Fix TerminalError(nil).Error() panic

[sbueringer]

Thx!

/ok-to-test
/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: sbueringer, sheidkamp

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