Instead of 'value(address)' 'value(name)' should be used to make the following forwarding-rules creation command to work. With 'value(address)' it returns an error: "ERROR: (gcloud.compute.forwarding-rules.create) Could not fetch resource: - The resource 'projects/some-random-project/regions/us-central1/addresses/w.x.y.z' was not found"