NAMESPACE     NAME       READY     STATUS    RESTARTS   AGE       IP                NODE
test         pod_A       1/1       Running       1      17d   192.168.1.171     10-0-0-171.master
test         pod_B       1/1       Running       1      17d   192.168.1.172     10-0-0-172.node

kubectl exec -it pod_B --namespace=test -- sh