hi, nodepol use openstack provider.
Should openstack use which way to configure the nova network. types have local,Flat,vlan,GRE,vxlan,Geneve I only use one network interface. I try Geneve,but nova build instance failed. 
does openstack provider need [pools] networks and security-groups param. 
thanks.
```
providers:
  - name: openstack-provider
    driver: openstack
    cloud: packstack
    region-name: 'RegionOne'
    clean-floating-ips: true
    image-name-format: '{image_name}-{timestamp}'
    boot-timeout: 120
    launch-timeout: 900
    rate: 1.0
    diskimages:
      - name: ubuntu-focal
    pools:
      - name: main
        max-servers: 1
        networks:
          - public
        security-groups:
          - default
        labels:
          - name: ubuntu-focal
            min-ram: 4096
            flavor-name: m1.medium
            diskimage: ubuntu-focal
```