[root@compute11 ~]# ovs-vsctl show
0487cedd-e0ce-4d41-bbd1-5aa7a1c9da95
    Bridge br-int
        Port br-int
            Interface br-int
                type: internal
        Port "tap697920eb-c2"
            tag: 2
            Interface "tap697920eb-c2"
        Port patch-tun
            Interface patch-tun
                type: patch
                options: {peer=patch-int}
    Bridge br-tun
        Port "gre-1"
            Interface "gre-1"
                type: gre
                options: {in_key=flow, local_ip="192.168.2.237", out_key=flow, remote_ip="192.168.1.236"}
        Port "gre-2"
            Interface "gre-2"
                type: gre
                options: {in_key=flow, local_ip="192.168.2.237", out_key=flow, remote_ip="192.168.2.236"}
        Port br-tun
            Interface br-tun
                type: internal
        Port patch-int
            Interface patch-int
                type: patch
                options: {peer=patch-tun}
    ovs_version: "1.11.0"