I0729 11:20:59.245243 9575 kubelet.go:1823] skipping pod synchronization - PLEG is not healthy: pleg was last seen active 3m57.138893648s ago; threshold is 3m0s.解决方案1、依次重启节点关键组件Dockerd、Contatinerd、Kubelet,重启后查看节点是否恢复正常。2、若节点关键组件重启后节点仍未恢复正常,可尝试重启异常节点。