Do you support "GssapiCredStore ccache:KCM:"

It seems that RHEL and other providers are defaulting to KCM (Kernel Credential Manager). I haven't been able to get

```
GssapiCredStore ccache:KCM:
```

working yet and I don't see a documented example of it so I figured I'd ask if it's supported. 

Thanks!
-EWG