grub_2.02~beta2-5 hints

Based on a fresh Kubuntu installation
 * grub-version after installation was 2.00-22
After the upgrade (activated proposed) to grub_2.02~beta2-5 I got an additional folder 'grub' and an additional entry inside the 'nvram':

The information to these folders inside directory '/boot/efi/EFI' are
 * bevor upgrade

root@USB-KUBUNTU:/boot/efi/EFIsudo efibootmgr
BootCurrent: 0003
Timeout: 1 seconds
BootOrder: 0002,0001,0003,0000
Boot0000* Ubuntu
Boot0001* Windows Boot Manager
Boot0002* Precise Pangolin
Boot0003* UEFI: Sony Storage Media 1.00

root@USB-KUBUNTU:/boot/efi/EFI# ls -la
insgesamt 2
drwxr-xr-x 5 root root 512 Jan 28 11:38 .
drwxr-xr-x 3 root root 512 Jan 1 1970 ..
drwxr-xr-x 2 root root 512 Jan 27 18:27 Boot
drwxr-xr-x 2 root root 512 Jan 27 16:49 ubuntu

 * after upgrade

root@USB-KUBUNTU:/boot/efi/EFI# ls -la
insgesamt 3
drwxr-xr-x 5 root root 512 Jan 28 11:38 .
drwxr-xr-x 3 root root 512 Jan 1 1970 ..
drwxr-xr-x 2 root root 512 Jan 27 18:27 Boot
drwxr-xr-x 2 root root 512 Jan 28 11:21 grub
drwxr-xr-x 2 root root 512 Jan 27 16:49 ubuntu
root@USB-KUBUNTU:/boot/efi/EFI# ls -la ubuntu
insgesamt 3361
drwxr-xr-x 2 root root 512 Jan 27 16:49 .
drwxr-xr-x 5 root root 512 Jan 28 11:38 ..
-rwxr-xr-x 1 root root 127 Jan 27 16:49 grub.cfg
-rwxr-xr-x 1 root root 905080 Jan 27 16:49 grubx64.efi
-rwxr-xr-x 1 root root 1178240 Jan 27 16:49 MokManager.efi
-rwxr-xr-x 1 root root 1355736 Jan 27 16:49 shimx64.efi
root@USB-KUBUNTU:/boot/efi/EFI# ls -la grub
insgesamt 3411
drwxr-xr-x 2 root root 512 Jan 28 11:21 .
drwxr-xr-x 5 root root 512 Jan 28 11:38 ..
-rwxr-xr-x 1 root root 128 Jan 28 11:37 grub.cfg
-rwxr-xr-x 1 root root 956792 Jan 28 11:37 grubx64.efi
-rwxr-xr-x 1 root root 1178240 Jan 28 11:37 MokManager.efi
-rwxr-xr-x 1 root root 1355736 Jan 28 11:37 shimx64.efi

  * sudo grub-install -v ## (reproduced for information):

 **** update grub version 2.02~beta2-5 ****
 grub-install: Info: copying `/usr/lib/shim/shim.efi.signed' -> `/boot/efi/EFI/grub/shimx64.efi'.
grub-install: Info: copying `/usr/lib/grub/x86_64-efi-signed/grubx64.efi.signed' -> `/boot/efi/EFI/grub/grubx64.efi'.
grub-install: Info: copying `/usr/lib/shim/MokManager.efi.signed' -> `/boot/efi/EFI/grub/MokManager.efi'.
grub-install: Info: copying `/boot/grub/x86_64-efi/load.cfg' -> `/boot/efi/EFI/grub/grub.cfg'.
grub-install: Info: Registering with EFI: distributor = `grub', path = `\EFI\grub\shimx64.efi', ESP at hostdisk//dev/sdd,gpt1.
grub-install: Info: executing efibootmgr --version </dev/null >/dev/null.
grub-install: Info: executing modprobe -q efivars.
grub-install: Info: executing efibootmgr -b 0000 -B.
BootCurrent: 0000
Timeout: 1 seconds
BootOrder: 0002,0001,0003
Boot0001* Windows Boot Manager
Boot0002* Precise Pangolin
Boot0003* UEFI: Sony Storage Media 1.00
grub-install: Info: executing efibootmgr -c -d /dev/sdd -p 1 -w -L grub -l \EFI\grub\shimx64.efi.
BootCurrent: 0000
Timeout: 1 seconds
BootOrder: 0000,0002,0001,0003
Boot0001* Windows Boot Manager
Boot0002* Precise Pangolin
Boot0003* UEFI: Sony Storage Media 1.00
Boot0000* grub
installation beendet. Keine Fehler aufgetreten.

********** warning ***********
the 'nvram-entry' = Boot0000* Ubuntu has been deleted by this routine!

**** grub-menu shell shows ****
 grub> set

 cmdpath=(hd0,gpt1)EFI/grub
 ....
 config_directory=(hd0,gpt1)EFI/ubuntu
 config_file=(hd0,gpt1)EFI/ubuntu/grub.cfg

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: grub-efi-amd64-signed 1.30+2.02~beta2-5
ProcVersionSignature: Ubuntu 3.13.0-5.20-generic 3.13.0
Uname: Linux 3.13.0-5-generic x86_64
ApportVersion: 2.13.2-0ubuntu2
Architecture: amd64
CurrentDesktop: KDE
Date: Tue Jan 28 14:48:48 2014
InstallationDate: Installed on 2014-01-27 (0 days ago)
InstallationMedia: Kubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140127)
SourcePackage: grub2-signed
UpgradeStatus: No upgrade log present (probably fresh install)