Comment 8 for bug 994533

Is it a huge coincidence that my system has encountered the exact same behavior (including the same "bad" checksum) this morning when I attempted to update?

...
(Reading database ... 518114 files and directories currently installed.)
Unpacking libldap-2.4-2:i386 (from .../libldap-2.4-2_2.4.28-1.1ubuntu4.2_i386.deb) ...
dpkg: error processing /var/cache/apt/archives/libldap-2.4-2_2.4.28-1.1ubuntu4.2_i386.deb (--unpack):
 conffile './etc/ldap/ldap.conf' is not in sync with other instances of the same package
No apport report written because MaxReports is reached already
                                                              dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Errors were encountered while processing:
 /var/cache/apt/archives/libldap-2.4-2_2.4.28-1.1ubuntu4.2_i386.deb
...

sauer@hotrod:~$ dpkg-query -f='${PackageSpec}\t${Version}\n${Conffiles}\n' -W 'libldap-2.4-2:*'
libldap-2.4-2 2.4.28-1.1ubuntu4.2
 /etc/ldap/ldap.conf 7fac807f65d84394410881bc16f1198a
libldap-2.4-2:i386
sauer@hotrod:~$ uname -a
Linux hotrod 3.2.0-39-generic #62-Ubuntu SMP Thu Feb 28 00:28:53 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
sauer@hotrod:~$ lsb_release -d
Description: Ubuntu 12.04.1 LTS