从centos7在线升级至openEuler2203TLS成功，再从2203升级到2403报错，
但是源系统是openEuler2203是可以升级2403的，请问下这个是什么问题呢
前面安装包都没问题，到后面重启前rebuild grub就报错了，详细信息是：
NFO ] - [upgrade] - [rebuild_boot] - ====================== Rebuild-Boot Stage =====================
[ INFO ] - [upgrade] - [rebuild_boot] - the stage start time is:2025-08-05 15:36:50
[ INFO ] - [upgrade] - [rebuild_boot] - start to rebuild boot
[ INFO ] - [upgrade] - [rebuild_boot] - start to copy the file to target
[ INFO ] - [upgrade] - [rebuild_boot] - copy files done
[ INFO ] - [upgrade] - [rebuild_boot] - start to check the mount of /boot
[ INFO ] - [upgrade] - [rebuild_boot] - check the mount of /boot done
[ INFO ] - [upgrade] - [rebuild_boot] - start to execute the scripts of rebuild_boot
[ INFO ] - [upgrade] - [rebuild_boot] - start to remount some key dirs
[ INFO ] - [upgrade] - [rebuild_boot] - remount done
[ INFO ] - [upgrade] - [rebuild_boot] - start to replace /boot
[ INFO ] - [upgrade] - [rebuild_boot] - replace /boot done
[ INFO ] - [upgrade] - [rebuild_boot] - boot device is [/dev/sda]
[ ERROR ] - [upgrade] - [rebuild_boot] - grub2-install result log info is → Installing for i386-pc platform.
grub2-install: error: cannot rename the file /boot/grub2/grubenv.new to /boot/grub2/grubenv: No such file or directory.
[ ERROR ] - [upgrade] - [rebuild_boot] - failed to rebuild grub by grub2-install
[ ERROR ] - [upgrade] - [rebuild_boot] - make upgrade grub failed,start to recover the environment
[ INFO ] - [upgrade] - [rebuild_boot] - start to restore system environment
[ INFO ] - [upgrade] - [rebuild_boot] - start to rollback /boot
[ INFO ] - [upgrade] - [rebuild_boot] - rollback /boot done
[ INFO ] - [upgrade] - [rebuild_boot] - start to umount some key dirs
[ INFO ] - [upgrade] - [rebuild_boot] - umount done
[ INFO ] - [upgrade] - [rebuild_boot] - grub2-install result log info is → Installing for i386-pc platform.
Installation finished. No error reported.
[ INFO ] - [upgrade] - [rebuild_boot] - restore system environment done
[ ERROR ] - [upgrade] - [rebuild_boot] - rebuild_boot execution failed
[ ERROR ] - [upgrade] - [rebuild_boot] - do_rebuild_boot failed
[ ERROR ] - [upgrade] - [rebuild_boot] - rebuild boot failed
[ ERROR ] - [upgrade] - [rebuild_boot] - upgrade failed
[ ERROR ] - [upgrade_entrance] - [upgrade]- do upgrade failed