AzureMonitorAgent not working on CentOS 8.4 (8.x?)

Deploying the agent V14.5 on CentOS the following error is encountered:

```
The handler for VM extension type 'Microsoft.Azure.Monitor.AzureMonitorLinuxAgent' has reported terminal failure for VM extension 'AzureMonitorAgent' with error message: '[ExtensionOperationError] Non-zero exit code: 5, /var/lib/waagent/Microsoft.Azure.Monitor.AzureMonitorLinuxAgent-1.14.5/./shim.sh -enable\n[stdout]\n2021/11/17 09:24:29 Unit azuremonitoragent.service could not be found.\n\n\n[stderr]\nFailed to start azuremonitoragent.service: Unit azuremonitoragent.service not found.Unit azuremonitoragent.service could not be found.'.\r\n \r\n'Enable handler for the extension failed. More information on troubleshooting is available at https://aka.ms/vmextensionlinuxtroubleshoot'"
```

it seems that the agent.py is unable to properly create the service.