skip ok pod

[bobz965]

• Make sure you have followed Kube-OVN Code Style.

What type of this PR

Examples of user facing changes:

• Features
  skip ok pod when kube-ovn-controller restart

目前认为在 kube-ovn-controller 重启后，可以选择性的跳过重复 pod handleAddOrUpdate 的逻辑

Which issue(s) this PR fixes:

WHAT

🤖 Generated by Copilot at d61e5b1

Add support for routing between different subnets without ovn and improve pod logging. Modify pod.go to check pod subnet status and enqueue pod events accordingly.

🤖 Generated by Copilot at d61e5b1

We're sailing on the network of the pods
We're routing 'tween the subnets with no ovn
We're logging all the events as they come
We're heaving on the line on the count of three

HOW

🤖 Generated by Copilot at d61e5b1

• Add support for routing between different subnets without ovn (link, link)

• Check if pod has any not routed subnet in enqueueAddPod function (link)
• Add new function podHasNotRoutedSubnet to controller package (link)

• Increase log level for pod deletion events in enqueueDeletePod function (link)
• Add log message for pod update events in enqueueUpdatePod function (link)