modemfwd/test_protos/multiple_carrier_firmware.prototxt

carrier_firmware {
  filename: "CarrierA_40.30.20.10.fls"
  device_id: "device-id"
  carrier_id: "CarrierA"
  version: "40.30.20.10"
}

carrier_firmware {
  filename: "Custom_B_50_60.fls"
  device_id: "device-id"
  carrier_id: "CarrierB"
  version: "50.60.70.80"
}