reinstall fails for grub-legacy-ec2

Binary package hint: cloud-init

apt-get install --reinstall grub-legacy-ec2 will fail due to the diversions.

See:
$ sudo apt-get install --reinstall grub-legacy-ec
2
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 2 not upgraded.
Need to get 27.6kB of archives.
After this operation, 0B of additional disk space will be used.
Do you want to continue [Y/n]? y
Get:1 http://us-east-1.ec2.archive.ubuntu.com/ubuntu/ maverick/universe grub-leg
acy-ec2 0.5.13-0ubuntu2 [27.6kB]
Fetched 27.6kB in 0s (175kB/s)
Preconfiguring packages ...
(Reading database ... 33492 files and directories currently installed.)
Preparing to replace grub-legacy-ec2 0.5.13-0ubuntu2 (using .../grub-legacy-ec2_0.5.13-0ubuntu2_all.deb) ...
Leaving `diversion of /usr/sbin/grub-set-default to /usr/sbin/grub-set-default.real by grub-legacy-ec2'
Unpacking replacement grub-legacy-ec2 ...
Removing `diversion of /usr/sbin/grub-set-default to /usr/sbin/grub-set-default.real by grub-legacy-ec2'
dpkg-divert: rename involves overwriting `/usr/sbin/grub-set-default' with
  different file `/usr/sbin/grub-set-default.real', not allowed
dpkg: warning: subprocess old post-removal script returned error exit status 2
dpkg - trying script from the new package instead ...
Removing `diversion of /usr/sbin/grub-set-default to /usr/sbin/grub-set-default.real by grub-legacy-ec2'
dpkg-divert: rename involves overwriting `/usr/sbin/grub-set-default' with
  different file `/usr/sbin/grub-set-default.real', not allowed
dpkg: error processing /var/cache/apt/archives/grub-legacy-ec2_0.5.13-0ubuntu2_all.deb (--unpack):
 subprocess new post-removal script returned error exit status 2
Leaving `diversion of /usr/sbin/grub-set-default to /usr/sbin/grub-set-default.real by grub-legacy-ec2'
Removing `diversion of /usr/sbin/grub-set-default to /usr/sbin/grub-set-default.real by grub-legacy-ec2'
dpkg-divert: rename involves overwriting `/usr/sbin/grub-set-default' with
  different file `/usr/sbin/grub-set-default.real', not allowed
dpkg: error while cleaning up:
 subprocess new post-removal script returned error exit status 2
Errors were encountered while processing:
 /var/cache/apt/archives/grub-legacy-ec2_0.5.13-0ubuntu2_all.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: grub-legacy-ec2 0.5.13-0ubuntu2
ProcVersionSignature: User Name 2.6.32-305.9-ec2 2.6.32.11+drm33.2
Uname: Linux 2.6.32-305-ec2 i686
Architecture: i386
Date: Fri Jul 30 18:15:57 2010
Ec2AMI: ami-a519f2cc
Ec2AMIManifest: ubuntu-images-testing-us/ubuntu-maverick-daily-i386-server-20100729.1.manifest.xml
Ec2AvailabilityZone: us-east-1b
Ec2InstanceType: m1.small
Ec2Kernel: aki-407d9529
Ec2Ramdisk: unavailable
PackageArchitecture: all
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: cloud-init