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

one use

	golang.org/x/sys/unix (current package)
		ztypes_linux.go#L1634: 	IFLA_BR_MCAST_ROUTER                       = 0x16

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