message: [grafana] Fix overview dashboard for dynamic configs
  Closes:
  Approved by: sherry-x
diff: ]
  },
  "datasource": "Prometheus",
  - "definition": "label_values(node_boot_time_seconds{peer_id=~\"[a-z0-9]{8}\"}, peer_id)",
  + "definition": "label_values(node_boot_time_seconds{peer_id=~\"[0-9]{1,3}\"}, peer_id)",
  "hide": 0,
  "includeAll": true,
  "label": "Peer",
  "multi": true,
  "name": "peer_id",
  "options": [],
  - "query": "label_values(node_boot_time_seconds{peer_id=~\"[a-z0-9]{8}\"}, peer_id)",
  + "query": "label_values(node_boot_time_seconds{peer_id=~\"[0-9]{1,3}\"}, peer_id)",
  "refresh": 2,
  "regex": "",
  "skipUrlSync": false,
  