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4e8e4a574c
Automatic merge from submit-queue use monotonic now in TestDelNode Fixes https://github.com/kubernetes/kubernetes/issues/24971. Briefly, the rate_limited_queue uses a `container/heap` to store values, and use this data structure to ensure we can always fetch the value with the minimum `processAt`. However, in some extreme condition, the continuous call to `time.Now()` would get the same value, which causes some unpredictable order in the queue, this fix uses a monotonic `now()` to avoid that. @smarterclayton please take a look.