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bridge fdb show

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kubectl exec -it pod1 -- ping -c 4 <pod2-IP>

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sudo tcpdump -i veth18eb7d52 icmp

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sudo tcpdump -i veth3a94f27 icmp

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sudo tcpdump -i cni0 icmp

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kubectl get pods pod1 pod2 -o wide -A

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kubectl run pod1 --image=busybox --restart=Never -- sleep infinity
kubectl run pod2 --image=busybox --restart=Never -- sleep infinity

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brctl show

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ip link show | grep 13

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POD_ID=$(sudo crictl pods --name <pod_name> -q) 
CONTAINER_ID=$(sudo crictl ps --pod $POD_ID -q) 
nsenter -t $(sudo crictl inspect $CONTAINER_ID | jq -r .info.pid) -n ip addr show