This component accomplishes that in the following ways:

1. By installing a separate, very basic "CNI plugin" binary onto the node to forward low-level pod lifecycle events (CmdAdd/CmdDel/etc) from whatever node-level CNI subsystem is in use to this node agent for processing via socket.
1. By running as a node-level daemonset that:

#-----------------------------------------------------------------------------
.PHONY: show.env show.goenv

show.env: ; $(info $(H) environment variables...)
	$(Q) printenv

show.goenv: ; $(info $(H) go environment...)
	$(Q) $(GO) version
	$(Q) $(GO) env

# show makefile variables. Usage: make show.<variable-name>
show.%: ; $(info $* $(H) $($*))
	$(Q) true

	if err != nil {
		return fmt.Errorf("failed to get profile, namespace or enabled components: %v", err)
	}

	// Ignore the err because we don't want to show
	// "no running Istio pods in istio-system" for the first time
	_ = detectIstioVersionDiff(p, tag, ns, kubeClient, iop)
	exists := revtag.PreviousInstallExists(context.Background(), kubeClient.Kube())

github.com/sagikazarmark/locafero v0.4.0/go.mod h1:Pe1W6UlPYUk/+wc/6KFhbORCfqzgYEpgQ3O5fPuL3H4=
github.com/sagikazarmark/slog-shim v0.1.0 h1:diDBnUNK9N/354PgrxMywXnAwEr1QZcOr6gto+ugjYE=
github.com/sagikazarmark/slog-shim v0.1.0/go.mod h1:SrcSrq8aKtyuqEI1uvTDTK1arOWRIczQRv+GVI1AkeQ=
github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=

	}

	common.attach(cmd)
	cmd.PersistentFlags().StringVar(&direction, "direction", "", "Filter workloads by direction (inbound or outbound)")
	cmd.PersistentFlags().BoolVar(&raw, "raw", false, "If set, show IP addresses instead of names")
	cmd.PersistentFlags().StringVar(&workloadsNamespace, "workload-namespace", "",
		"Filter workloads by namespace field")

	return cmd
}