const golang.org/x/sys/unix.IFLA_GTP_LOCAL6

one use

	golang.org/x/sys/unix (current package)
		ztypes_linux.go#L1827: 	IFLA_GTP_LOCAL6                            = 0x8

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