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

one use

	golang.org/x/sys/unix (current package)
		zerrors_linux_amd64.go#L647: 	ENOTSUP         = syscall.Errno(0x5f)

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