I was able to downgrade the relevant packages:
libpam-modules_1.1.3-5ubuntu1_amd64.deb libpam-modules_1.1.3-5ubuntu1_i386.deb libpam-modules-bin_1.1.3-5ubuntu1_amd64.deb
They installed without the error.
I was able to downgrade the relevant packages:
libpam- modules_ 1.1.3-5ubuntu1_ amd64.deb libpam- modules_ 1.1.3-5ubuntu1_ i386.deb libpam- modules- bin_1.1. 3-5ubuntu1_ amd64.deb
They installed without the error.