Istio proxy fails in SQL Server 2019 as automountServiceAccountToken property is set to FALSE by default in Cumulative Update 5 (CU5) for SQL Server 2019.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
This issue is fixed in the following cumulative update for SQL Server:
About cumulative updates for SQL Server:
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:
To work around this issue, you can manually edit the replicaset/statefulset definition with automountServiceAccountTokenas FALSE, and then restart the corresponding pods to apply the settings.