{
  "2001:db8:1:1::/64": {
    "dev": "r4-eth1",
    "metric": "20",
    "pref": "medium",
    "proto": "187"
  },
  "2001:db8:2:1::/64": {
    "dev": "r4-eth1",
    "metric": "20",
    "pref": "medium",
    "proto": "187"
  },
  "2001:db8:f::2": {
    "dev": "r4-eth0",
    "metric": "20",
    "pref": "medium",
    "proto": "187"
  },
  "2001:db8:f::3": {
    "dev": "r4-eth1",
    "metric": "20",
    "pref": "medium",
    "proto": "187"
  },
  "2001:db8:f::5": {
    "dev": "r4-eth1",
    "metric": "20",
    "pref": "medium",
    "proto": "187"
  }
}