if event == nil {
		return fmt.Errorf("unable to push CNI event, CmdArgs event was nil")
	}

	var ncconfigs []nodeagent.IPConfig
	for _, ipc := range prevResIps {
		ncconfigs = append(ncconfigs, nodeagent.IPConfig{Interface: ipc.Interface, Address: ipc.Address, Gateway: ipc.Gateway})
	}
	// Currently we only use the netns from the original CNI event

  optional bool hostNetwork = 11;

  // Use the host's pid namespace.
  // Optional: Default to false.
  // +k8s:conversion-gen=false
  // +optional
  optional bool hostPID = 12;

  // Use the host's ipc namespace.
  // Optional: Default to false.
  // +k8s:conversion-gen=false
  // +optional
  optional bool hostIPC = 13;

  // Specifies the hostname of the Carp

  optional EphemeralContainerCommon ephemeralContainerCommon = 1;

  // If set, the name of the container from PodSpec that this ephemeral container targets.
  // The ephemeral container will be run in the namespaces (IPC, PID, etc) of this container.
  // If not set then the ephemeral container uses the namespaces configured in the Pod spec.
  //
  // The container runtime must implement support for this feature. If the runtime does not