There are Alerts in VCF Operations for Networks reading Operations for Networks-NSX Edge Roll-up Status is 'Degraded' or Operations for Networks-NSX Edge Node Tunnel status is 'Degraded'
VCF Operations for Networks
You will need to determine if the NSX Edges are in a degraded state.
get edge-cluster statusIf there are any degraded states on the NSX Edges, please follow these KBs: