The list of most active subnets is not dynamic
You can click the refresh button to reload the pool utilization for the 5 subnets that are shown there, but those will always be the same 5 subnets, until you reload the dashboard.
How to reproduce this:
- add kea with some subnets
- open dashboards
- open traffic panel and generate traffic in some subnets that are not on the list.
- wait a bit, hit refresh.