[release-0.16] Fix the problem with starting the master with empty cache

[k8s-infra-cherrypick-robot]

This is an automated cherry-pick of #1739

/assign marquiz

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: df03ccab7c4af8c4daf7664e03379cf132cc1f06

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: k8s-infra-cherrypick-robot, marquiz

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/kubernetes-sigs/node-feature-discovery/blob/release-0.16/OWNERS)~~ [marquiz] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 39.50%. Comparing base (c296eda) to head (1a18bcd). Report is 1 commits behind head on release-0.16.

Additional details and impacted files

[](https://app.codecov.io/gh/kubernetes-sigs/node-feature-discovery/pull/1740?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=kubernetes-sigs) ```diff @@ Coverage Diff @@ ## release-0.16 #1740 +/- ## ================================================ - Coverage 39.51% 39.50% -0.01% ================================================ Files 80 80 Lines 7160 7161 +1 ================================================ Hits 2829 2829 - Misses 4071 4072 +1 Partials 260 260 ``` | [Files](https://app.codecov.io/gh/kubernetes-sigs/node-feature-discovery/pull/1740?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=kubernetes-sigs) | Coverage Δ | | |---|---|---| | [pkg/nfd-master/nfd-api-controller.go](https://app.codecov.io/gh/kubernetes-sigs/node-feature-discovery/pull/1740?src=pr&el=tree&filepath=pkg%2Fnfd-master%2Fnfd-api-controller.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=kubernetes-sigs#diff-cGtnL25mZC1tYXN0ZXIvbmZkLWFwaS1jb250cm9sbGVyLmdv) | `9.01% <0.00%> (-0.08%)` | :arrow_down: |