CONTAP-434153: This platform is not supported on when upgrading to 9.15+
Issue
When performing an upgrade from a version lower than ONTAP 9.15 to a version that is higher than 9.15, the node may fail to boot with the following error message
---<<BOOT>>---
NetApp Data ONTAP 9.15.x
This platform or platform variant is not supported
on this storage OS release.
System will be shut down because it is an unsupported platform.