Show Listener Port(s) Details - Flow Rate

Show Listener Port(s) Details - Flow Rate

When I click on the "Show Listener Port(s) Details" at the top, the "Flow Rate", "Received" and "Current Hour Log Rate" statistics are all showing 0 logs per whatever time frame.  I know I'm getting logs coming in, I was just hoping I could get an idea of what the flow rate is.  Anyone else run into this?
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