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

{ "network_config": [
        {
          "type": "team",
          "name": "team1",
          "use_dhcp": true,
          "bonding_options": "{\"runner\": {\"name\": \"activebackup\"}}",
          "members": [
              { "type": "interface", "name": "em1", "primary": true },
              { "type": "interface", "name": "em2" }
          ]
        }
    ]
}