os-net-config/etc/os-net-config/samples/contrail_vrouter_dpdk_bond.json

{ "network_config": [
    {
        "type": "contrail_vrouter_dpdk",
        "name": "vhost0",
        "members": [
            {
                "type": "interface",
                "name": "em3"
            },
            {
                "type": "interface",
                "name": "em1"
            }
        ],
        "bond_mode": "2",
        "bond_policy": "802.3ad",
        "mtu": 1500
    }
  ]
}