const golang.org/x/sys/unix.IPV6_RXHOPOPTS

one use

	golang.org/x/sys/unix (current package)
		zerrors_linux.go#L1638: 	IPV6_RXHOPOPTS                              = 0x36

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