Automatic merge from submit-queue (batch tested with PRs 55606, 59185, 58763, 59072, 59251). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Cleaning up loopback removal process
Handling more graceful the process of loopback removal. In case loopback device does not exist any longer, we should not fail the detachment process.
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