This fixes the issue when create a ovs network
```
2024-10-29 16:02:45,089 WARN [resource.wrapper.LibvirtOvsFetchInterfaceCommandWrapper] (agentRequest-Handler-2:null) (logid:e716722e) Network interface: ''cloudbr1'' not found
```
This is a regression of a previous security release
see "framework/cluster: improve cluster service, integration API server"
since we now use NetworkInterface.getByName to get network interface, we should NOT add single quotes before/after the label.