const golang.org/x/sys/unix.NL80211_MULTICAST_GROUP_TESTMODE

one use

	golang.org/x/sys/unix (current package)
		ztypes_linux.go#L5206: 	NL80211_MULTICAST_GROUP_TESTMODE                        = "testmode"

The pages are generated with Golds v0.4.9. (GOOS=linux GOARCH=amd64)