When VM create failed (such as "_create_domain" execute failed), do not unplug-ports. This bug hit all release/branch.
When create VM, it will update network_info at table "instance_info_caches". But it will be delayed for some time.
when "_shutdown_instance", we can not get the correct network info from "instance_info_caches".
When VM create failed (such as "_create_domain" execute failed), do not unplug-ports. This bug hit all release/branch.
When create VM, it will update network_info at table "instance_ info_caches" . But it will be delayed for some time. instance" , we can not get the correct network info from "instance_ info_caches" .
when "_shutdown_