发现很多状态为 Evicted 的 pod：
$ kubectl get pods
NAME READY STATUS RESTARTS AGE
mysql-2zn56 0/1 Pending 0 118s
mysql-6kwqz 0/1 Evicted 0 118s
mysql-75z6v 0/1 Evicted 0 3m55s
mysql-7jdxj 0/1 Evicted 0 2m
mysql-f2vj2 0/1 Evicted 0 119s
mysql-g282j 0/1 Evicted 0 119s
mysql-g9g5z 0/1 Evicted 0 2m1s
mysql-ggwtw 0/1 Evicted 0 2m1s
...
批量删除：
kubectl get pods | grep Evicted | awk '{print $1}' | xargs kubectl delete pod
