const golang.org/x/sys/unix.UDP_NO_CHECK6_RX

one use

	golang.org/x/sys/unix (current package)
		zerrors_linux.go#L3547: 	UDP_NO_CHECK6_RX                            = 0x66

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