Switch to local gateway mode takes more than 10 minutes(approximately 12-13 minutes)
Rolling update takes more than 10 minutes across 3 master/2 worker node cluster. In all previos version the same update took less than 8 minutes.
  - lastTransitionTime: "2023-08-31T06:11:21Z"
    message: DaemonSet "/openshift-ovn-kubernetes/ovnkube-node" update is rolling
      out (0 out of 5 updated)
    reason: Deploying
    status: "True"
    type: Progressing

In all previous versions it takes about 7-8 minutes (4.10/4.11/4.12/4.13)

 4.14.0-0.nightly-2023-08-28-154013

Switch OVN to local gateway mode using routingViaHost: true flag.
It'll trigger Rolling update. 
Track update using:
oc get networks.operator.openshift.io cluster -o yaml
and check 

  - lastTransitionTime: "2023-08-31T06:11:21Z"
    message: DaemonSet "/openshift-ovn-kubernetes/ovnkube-node" is not available (awaiting
      1 nodes)
    reason: Deploying
    status: "True"
    type: Progressing

Example of completed update:
  - lastTransitionTime: "2023-08-31T06:22:15Z"
    status: "False"
    type: Progressing
statue

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Switch to local gateway mode takes more than 10 minutes(approximately 12-13 minutes)

Rolling update time should remain the same or increased by few seconds or max 1 minute.