mtu: ability to change running cluster's mtu setting

[msherif1234]

Signed-off-by: Mohamed Mahmoud mmahmoud@redhat.com
Initial investigation about how MTU change can be implemented for ovn-kubernetes

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[kedark3]

@msherif1234 do we want to refresh this issue as suggested by the bot in the above comment?

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@openshift-bot: Closed this PR.

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