After restart of neutron-ovs-agent, it should installs all OF rules with new cookie_id and then delete old rules so duration in all of them should be reset. Is your problem only on vlan network? Or it happens on other network types too?
After restart of neutron-ovs-agent, it should installs all OF rules with new cookie_id and then delete old rules so duration in all of them should be reset.
Is your problem only on vlan network? Or it happens on other network types too?