core/internal/containerd/ptp.json

{
  "name": "k8s-pod-network",
  "cniVersion": "0.3.1",
  "type": "ptp",
  "mtu": 1420,
  "ipam": {
    "type": "host-local",
    "subnet": "192.168.198.0/24",
    "routes": [{ "dst": "0.0.0.0/0" }],
    "dataDir": "/containerd/run/ipam"
  }
}