Complete example of how to run multus on kind with limited shenanigans

kind-multus.sh

set -ex

RND=$(openssl rand -hex 12)
NET=net-${RND}
IFACE=if-${RND}
CLUSTER=cl-${RND}
TMP=$(mktemp -d)
CFG=${TMP}/config.yaml
LOG=${TMP}/log
POD=${TMP}/pod
NAD=${TMP}/nad
URL="https://raw.githubusercontent.com/k8snetworkplumbingwg/multus-cni/master/deployments/multus-daemonset.yml"
SHA="5238fbb2767cbf6aae736ad97a7aa29167525dcd405196dfbc064672a730d3cf  cni-plugins-linux-amd64-v1.0.1.tgz"
CNIS="https://github.com/containernetworking/plugins/releases/download/v1.0.1/cni-plugins-linux-amd64-v1.0.1.tgz"

KIND=$(which kind)

cat <<EOF > ${CFG}
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
nodes:
- role: control-plane
- role: worker
EOF

${KIND} create cluster --name ${CLUSTER} --config ${CFG}
${KIND} load docker-image centos:latest --name ${CLUSTER}
kubectl cluster-info kind-${CLUSTER}

docker network create ${NET}
for NODE in $(${KIND} get nodes --name ${CLUSTER}); do
    docker network connect ${NET} ${NODE}
    docker exec -it ${NODE} bash -c "test -f /opt/cni/macvlan || curl -sL ${CNIS} | tar -xvz -C /opt/cni/bin"
done

kubectl apply -f ${URL}
kubectl get pods -A
sleep 90
kubectl get pods -A

cat <<EOF > ${NAD}
apiVersion: "k8s.cni.cncf.io/v1"
kind: NetworkAttachmentDefinition
metadata:
  name: dlan-conf
spec:
  config: '{
            "cniVersion": "0.3.1",
            "type": "macvlan",
            "master": "eth1",
            "mode": "bridge"
        }'
EOF

cat <<EOF > ${POD}
apiVersion: v1
kind: Pod
metadata:
  name: dlan-test
  annotations:
    k8s.v1.cni.cncf.io/networks: dlan-conf@dlan0
spec:
  containers:
  - name: dlan-test
    image: centos:latest
    command: ["/bin/sh", "-c"]
    args: ["sleep infinity"]
  nodeName: ${CLUSTER}-worker
EOF

kubectl apply -f ${NAD}
kubectl apply -f ${POD}
kubectl wait --for=condition=ready -f ${POD} --timeout=60s || \
    kubectl cluster-info dump kind-${CLUSTER} > ${LOG}
kubectl exec -it dlan-test -- ip -br link show