> By looking into your efibootmgr outputs, it seems there's a truncated path
> "\EFI\opens" that points to nothing exist on your ESP.
>
> efibootmgr -v
> BootOrder: 0000
> Boot0000* opensuse
> HD(2,1000,96000,6196ccc5-1e27-48e6-8372-2e64118e5d03)File(\EFI\opens)
>
> Is it a typo ? If not it could be a bug somewhere in efibootmgr/kernel/EFI
> runtime (variable) service.
No, not a typo ... just copy-n-paste from serial-console output.