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Hi,

I want to have a VLAN interface on a OVS bridge without tagging.
Can that be done by os-net-config?
I tried couple things.
1) Define a VLAN interface as a member of OVS bridge.
In this case, VLAN interface is created and added on OVS bridge,
but with the tag of VLAN ID.
```
{"network_config": [
  {
    "type": "ovs_bridge",
    "name": "br-test",
    "use_dhcp": false,
    "addresses": [{"ip_netmask": "10.250.1.5/24"}],
    "members": [
      {
        "type": "vlan",
        "device": "eno4",
        "vlan_id": 100,
        "primary": true
      }
    ]
  }
]}
```

2) Define a VLAN interface out of OVS bridge and reference that
VLAN interface as the type of "interface" in the member. This doesn't
work unless the VLAN interface exists before running os-net-config.
```
{"network_config": [
  {
    "type": "vlan",
    "vlan_id": 100,
    "device": "eno4",
    "addresses": [{"ip_netmask": "10.250.1.5/24"}]
  },
  {
    "type": "ovs_bridge",
    "name": "br-test",
    "use_dhcp": false,
    "members": [
      {
        "type": "interface",
        "name": "vlan100",
        "primary": true
      }
    ]
  }
]}
```
Anything else I can try?

Thanks!
Tony