const golang.org/x/sys/unix.IP_RECVERR_RFC4884

one use

	golang.org/x/sys/unix (current package)
		zerrors_linux.go#L1689: 	IP_RECVERR_RFC4884                          = 0x1a

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