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

one use

	golang.org/x/sys/unix (current package)
		ztypes_linux.go#L4138: 	ETHTOOL_A_TUNNEL_INFO_MAX                 = 0x2

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