Thanks for reporting this bug.
From your log files: Preparing to replace debconf 1.5.20 (using .../debconf_1.5.22_all.deb) ...
xargs: xargs.c:443: main: Assertion `bc_ctl.arg_max <= (131072-2048)' failed.
Aborted
This bug is a problem with xargs from the package findutils which has been reported in bug 234345, so I will mark this bug as duplicate.
Thanks for reporting this bug.
From your log files: 1.5.22_ all.deb) ...
Preparing to replace debconf 1.5.20 (using .../debconf_
xargs: xargs.c:443: main: Assertion `bc_ctl.arg_max <= (131072-2048)' failed.
Aborted
This bug is a problem with xargs from the package findutils which has been reported in bug 234345, so I will mark this bug as duplicate.