sdn: only sync HostPorts when we need to (backport to stage) #16814
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Automatic merge from submit-queue (batch tested with PRs 16741, 16692). sdn: only sync HostPorts when we need to Which is the first time a pod is started, when there will be active hostports, or when there are current active hostports. Otherwise the syncer runs iptables-restore for no good reason. @openshift/networking @knobunc @danwinship
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Backport of #16692 to stage branch
sdn: only sync HostPorts when we need to
Which is the first time a pod is started, when there will be active hostports, or when there are current active hostports. Otherwise the syncer runs iptables-restore for no good reason.
@openshift/networking @knobunc @danwinship