b781bd4d-558d-49a3-a088-8706719d29e2
    Bridge br-ex
        Port "qg-a561bf25-1b"
            Interface "qg-a561bf25-1b"
                type: internal
        Port br-ex
            Interface br-ex
                type: internal
        Port "eth2"
            Interface "eth2"
    Bridge br-int
        Port br-int
            Interface br-int
                type: internal
        Port "tapae7254b8-dc"
            tag: 1
            Interface "tapae7254b8-dc"
                type: internal
        Port patch-tun
            Interface patch-tun
                type: patch
                options: {peer=patch-int}
        Port "qr-8fb49300-1b"
            tag: 1
            Interface "qr-8fb49300-1b"
                type: internal
    Bridge br-tun
        Port br-tun
            Interface br-tun
                type: internal
        Port "gre-2"
            Interface "gre-2"
                type: gre
                options: {in_key=flow, out_key=flow, remote_ip="10.10.10.12"}
        Port patch-int
            Interface patch-int
                type: patch
                options: {peer=patch-tun}
    ovs_version: "1.4.0+build0"