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

one use

	golang.org/x/sys/unix (current package)
		zerrors_linux.go#L2322: 	PACKET_MR_UNICAST                           = 0x3

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