{
  "duplicate_metadata_rejected": true,
  "failure": {
    "output": "  FAILED:\n    expr: \"demo_requests * on(instance) group_left(team) demo_info\", time: 0s, err: found duplicate series for the match group {instance=\"one\"} on the right hand-side of the operation: [{__name__=\"demo_info\", instance=\"one\", team=\"B\"}, {__name__=\"demo_info\", instance=\"one\", team=\"A\"}];many-to-many matching not allowed: matching labels must be unique on one side\n\n\n",
    "returncode": 1
  },
  "joined_values": [
    5,
    7
  ],
  "success": {
    "output": "  SUCCESS\n\n",
    "returncode": 0
  }
}