Description of problem:
Alerts card always show the “Info” although it’s 0, it should be empty if there is no alerts

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. Visit Virtualization -> Overview
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Actual results:
Alerts card always show the “Info” although it’s 0

Expected results:
Alerts card should be empty if there is no alerts

Additional info: