Is routing redundancy now available for the CSR1000v when deployed on Google Cloud? If not does anyone know when this will happen...Not sure how up to date the following content is.  https://www.cisco.com/c/en/us/td/docs/routers/csr1000/software/gcp/...

Can anyone tell me if there's any reason why one would create a Port-Channel (containing only a single member) vs. a routable sub-interface? The device type is a 2948GL3.