k8s提示“1 node(s) didn't have free ports for the requested pod ports”

问题现象：

0/2 nodes are available: 1 node(s) didn't have free ports for the requested pod ports. preemption: 0/2 nodes are available: 2 No preemption victims found for incoming pod..

问题解决：

node端口被占用，看下是不是配置了hostnetwork：true