fix: set loopback0 as source for consul (#387)

- fix consul service checks for prodnxsr0001-0008
- ensure the loopback0 interface whats bound too

Reviewed-on: #387

hieradata/roles/infra/k8s/node.yaml

@@ -92,6 +92,7 @@ networking::interfaces:
     mtu: 1500
 
 # consul
+profiles::consul::client::host_addr: "%{hiera('networking_loopback0_ip')}"
 profiles::consul::client::node_rules:
   - resource: service
     segment: frr_exporter