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

one use

	golang.org/x/sys/unix (current package)
		zerrors_linux.go#L1638: 	IP_PMTUDISC_DONT                            = 0x0

The pages are generated with Golds v0.4.9. (GOOS=linux GOARCH=amd64)