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

one use

	golang.org/x/sys/unix (current package)
		zerrors_linux_amd64.go#L483: 	UBI_IOCEBUNMAP                   = 0x40044f04

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