SIDB instance is not created when running in k8s cluster with IPV6 addresses

[sankarpn]

The DB operator creates a SIDB pod but the the PDB is not available for connections.

`[speriyat@speriyat-1 speriyat]$ kubectl get singleinstancedatabase -n ns-visgtc my-oracle-sidb -o "jsonpath={.status.pdbConnectString}"
fc00:f853:ccd:e793::2:30361/ORCLPDB1

[speriyat@speriyat-1 speriyat]$ kubectl exec -it -n ns-visgtc pod/my-oracle-sidb-t9bwa bash

Defaulted container "my-oracle-sidb" out of: my-oracle-sidb, init-permissions (init), init-wallet (init)

[oracle@my-oracle-sidb-t9bwa ~]$ sqlplus

SQL*Plus: Release 19.0.0.0.0 - Production on Wed Nov 1 03:26:13 2023
Version 19.3.0.0.0

Copyright (c) 1982, 2019, Oracle. All rights reserved.

Enter user-name: sys as sysdba
Enter password:

Connected to:
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.3.0.0.0

SQL> connect sys/Oradoc_db1@[fc00:f853:ccd:e793::2]:30361/ORCLPDB1 as sysdba
ERROR:
ORA-12541: TNS:no listener

Warning: You are no longer connected to ORACLE.`