add deprecated message for igonre-errors flag, and fix unsafety http link

staging/src/k8s.io/kubectl/pkg/cmd/drain/drain.go

@@ -112,7 +112,7 @@ var (
 
 		The given node will be marked unschedulable to prevent new pods from arriving.
 		'drain' evicts the pods if the APIServer supports
-		[eviction](http://kubernetes.io/docs/admin/disruptions/). Otherwise, it will use normal
+		[eviction](https://kubernetes.io/docs/concepts/workloads/pods/disruptions/). Otherwise, it will use normal
 		DELETE to delete the pods.
 		The 'drain' evicts or deletes all pods except mirror pods (which cannot be deleted through
 		the API server).  If there are DaemonSet-managed pods, drain will not proceed
@@ -130,7 +130,7 @@ var (
 		When you are ready to put the node back into service, use kubectl uncordon, which
 		will make the node schedulable again.
 
-		![Workflow](http://kubernetes.io/images/docs/kubectl_drain.svg)`))
+		![Workflow](https://kubernetes.io/images/docs/kubectl_drain.svg)`))
 
 	drainExample = templates.Examples(i18n.T(`
 		# Drain node "foo", even if there are pods not managed by a ReplicationController, ReplicaSet, Job, DaemonSet or StatefulSet on it.
@@ -310,6 +310,9 @@ func (o *DrainCmdOptions) RunDrain() error {
 				fmt.Fprintf(o.ErrOut, "error: unable to drain node %q due to error:%s, continuing command...\n", info.Name, err)
 				continue
 			}
+			fmt.Fprintf(o.ErrOut, "DEPRECATED WARNING: Aborting the drain command in a list of nodes will be deprecated in v1.23.\n"+
+				"The new behavior will make the drain command go through all nodes even if one or more nodes failed during the drain.\n"+
+				"For now, users can try such experience via: --ignore-errors\n")
 			fmt.Fprintf(o.ErrOut, "error: unable to drain node %q, aborting command...\n\n", info.Name)
 			remainingNodes := []string{}
 			fatal = err