```hcl
output "router_id" {
  value = "${openstack_networking_router_interface_v2.k8s.id}"
}

output "network_id" {
  value = "${openstack_networking_subnet_v2.k8s.id}"
}
```

Return subnet_id as defined in kubespray.tf
user
```hcl
output "router_id" {
  value = "${openstack_networking_router_interface_v2.k8s.id}"
}

output "subnet_id" {
  value = "${openstack_networking_subnet_v2.k8s.id}"
}
```
assistant