sync endpoint-slices create-cluster-kubeadm kubeadm-upgrade

content/zh-cn/docs/concepts/services-networking/endpoint-slices.md

@@ -380,7 +380,7 @@ perfectly full distribution of EndpointSlices. As an example, if there are 10
 new endpoints to add and 2 EndpointSlices with room for 5 more endpoints each,
 this approach will create a new EndpointSlice instead of filling up the 2
 existing EndpointSlices. In other words, a single EndpointSlice creation is
-preferrable to multiple EndpointSlice updates.
+preferable to multiple EndpointSlice updates.
 -->
 这里比较重要的是，与在 EndpointSlice 之间完成最佳的分布相比，第三步中更看重限制
 EndpointSlice 更新的操作次数。例如，如果有 10 个端点待添加，有两个 EndpointSlice

content/zh-cn/docs/setup/production-environment/tools/kubeadm/create-cluster-kubeadm.md

@@ -614,10 +614,10 @@ support [Network Policy](/docs/concepts/services-networking/network-policies/).
 
 <!--
 See a list of add-ons that implement the
-[Kubernetes networking model](/docs/concepts/cluster-administration/networking/#how-to-implement-the-kubernetes-networking-model).
+[Kubernetes networking model](/docs/concepts/cluster-administration/networking/#how-to-implement-the-kubernetes-network-model).
 -->
 请参阅实现
-[Kubernetes 网络模型](/zh-cn/docs/concepts/cluster-administration/networking/#how-to-implement-the-kubernetes-networking-model)的附加组件列表。
+[Kubernetes 网络模型](/zh-cn/docs/concepts/cluster-administration/networking/#how-to-implement-the-kubernetes-network-model)的附加组件列表。
 
 <!--
 You can install a Pod network add-on with the following command on the

content/zh-cn/docs/tasks/administer-cluster/kubeadm/kubeadm-upgrade.md

@@ -81,11 +81,18 @@ The upgrade workflow at high level is the following:
   first drain the node (or nodes) that you are upgrading. In the case of control plane nodes,
   they could be running CoreDNS Pods or other critical workloads. For more information see
   [Draining nodes](/docs/tasks/administer-cluster/safely-drain-node/).
+- The Kubernetes project recommends that you match your kubelet and kubeadm versions.
+  You can instead use an a version of kubelet that is older than kubeadm, provided it is within the
+  range of supported versions.
+  For more details, please visit [kubeadm's skew against the kubelet](/docs/setup/production-environment/tools/kubeadm/create-cluster-kubeadm/#kubeadm-s-skew-against-the-kubelet).
 - All containers are restarted after upgrade, because the container spec hash value is changed.
 -->
 - 下述说明了在升级过程中何时腾空每个节点。如果你正在对任何 kubelet 进行小版本升级，
   你需要先腾空待升级的节点（或多个节点）。对于控制面节点，其上可能运行着 CoreDNS Pod
   或者其它非常重要的负载。更多信息见[腾空节点](/zh-cn/docs/tasks/administer-cluster/safely-drain-node/)。
+- Kubernetes 项目推荐你使用版本匹配的 kubelet 和 kubeadm。
+  但你也可以使用比 kubeadm 版本更低的 kubelet 版本，前提是该版本仍处于支持的版本范围内。
+  欲了解更多信息，请访问 [kubeadm 与 kubelet 的版本差异](/zh-cn/docs/setup/production-environment/tools/kubeadm/create-cluster-kubeadm/#kubeadm-s-skew-against-the-kubelet)。
 - 升级后，因为容器规约的哈希值已更改，所有容器都会被重新启动。
 
 <!--