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

one use

	golang.org/x/sys/unix (current package)
		ztypes_linux.go#L3631: 	ETHTOOL_TUNABLE_UNSPEC                                                  = 0x0

The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)