【rear】バックアップを取得しようとすると「line 476: type: grub-mkstandalone: not found」と出て失敗する

OSはCentOS9Stream

バックアップ取得コマンド

rear -v mkbackup

ログ

Using '/boot/efi/EFI/centos/grubx64.efi' as UEFI bootloader file
Copying logfile /var/log/rear/rear-openvpclient.log into initramfs as '/tmp/rear-openvpclient-partial-2024-03-06T12:49:56+09:00.log'
Copying files and directories
Copying binaries and libraries
Copying all kernel modules in /lib/modules/5.14.0-375.el9.x86_64 (MODULES contains 'all_modules')
Copying all files in /lib*/firmware/
Testing that the recovery system in /var/tmp/rear.6JdTNThwRfY1qaV/rootfs contains a usable system
There are binaries or libraries in the ReaR recovery system that need additional libraries
/usr/lib64/systemd/libsystemd-core-252.so requires additional libraries
        libsystemd-shared-252.so => not found
ReaR recovery system in '/var/tmp/rear.6JdTNThwRfY1qaV/rootfs' needs additional libraries, check /var/log/rear/rear-openvpclient.log for details
Creating recovery/rescue system initramfs/initrd initrd.cgz with gzip default compression
Created initrd.cgz with gzip default compression (604937705 bytes) in 20 seconds
ERROR: Cannot make bootable EFI image of GRUB2 (neither grub-mkstandalone nor grub2-mkstandalone found)
Some latest log messages since the last called script 250_populate_efibootimg.sh:
  mkdir: created directory '/var/tmp/rear.6JdTNThwRfY1qaV/tmp/mnt'
  mkdir: created directory '/var/tmp/rear.6JdTNThwRfY1qaV/tmp/mnt/EFI'
  mkdir: created directory '/var/tmp/rear.6JdTNThwRfY1qaV/tmp/mnt/EFI/BOOT'
  mkdir: created directory '/var/tmp/rear.6JdTNThwRfY1qaV/tmp/mnt/EFI/BOOT/fonts'
  mkdir: created directory '/var/tmp/rear.6JdTNThwRfY1qaV/tmp/mnt/EFI/BOOT/locale'
  '/boot/efi/EFI/centos/grubx64.efi' -> '/var/tmp/rear.6JdTNThwRfY1qaV/tmp/mnt/EFI/BOOT/BOOTX64.efi'
  /usr/share/rear/lib/_input-output-functions.sh: line 476: type: grub-mkstandalone: not found
  /usr/share/rear/lib/_input-output-functions.sh: line 476: type: grub2-mkstandalone: not found
Aborting due to an error, check /var/log/rear/rear-openvpclient.log for details
Exiting rear mkbackup (PID 294022) and its descendant processes ...
Running exit tasks
Terminated

grub2-tools-extraをインストールすると解決する

<pre class="lang:default decode:true " >dnf -y install grub2-tools-extra</pre> 

参考
https://github.com/rear/rear/issues/2783