If a destination rule is configured with hostname containing a wildcard '*'
( Ex: *.bookinfo.svc.cluster.local ), the link is visible on overview page of the istio config.
Clicking on the link displays below message :
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Doc example:
https://kiali.io/documentation/validations/#_kia0206_policy_enabling_namespace_wide_mtls_is_missing

Example Details:

apiVersion: "networking.istio.io/v1alpha3"
kind: "DestinationRule"
metadata:
name: "enable-mtls"
namespace: "bookinfo"
spec:
host: "*.bookinfo.svc.cluster.local"
trafficPolicy:
tls:
mode: ISTIO_MUTUAL

Steps to reproduce:
-Create the destination rule with above example
-Login to kiali
-Navigate to Istio config menu
-Click on the destination rule
-On overview page, click on the hostname link

Other observations:
1) If the hostname is just "*.local" , the link is not created
2) The normal hostname link ex: " mongodb.bookinfo.svc.cluster.local " works correctly