Automatic merge from submit-queue (batch tested with PRs 37845, 39439, 39514, 39457, 38866)
Log a warning message when failed to find kind for resource in garbage collector controller
at this time, I do not think thirdparty api group version resources should be taken care by garbage collector controllers, and this line of call will fail actually: https://github.com/kubernetes/kubernetes/blob/master/pkg/controller/garbagecollector/garbagecollector.go#L565, and as a result, the garbagecollector controller failed to start.
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