I think the problem may have actually been in ca-certificates, so
reassigning here. The snippet below is from the distupgrade log.
James, you may want to just try running 'sudo dpkg --configure -a' to
try and configure everything again.
Setting up ca-certificates (20110502+nmu1ubuntu5) ...
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https://bugs.launchpad.net/bugs/899823
Title:
package samba 2:3.5.8~dfsg-1ubuntu2.3 failed to install/upgrade:
ErrorMessage: package samba is not ready for