This is caused by bug 804600 A no-change rebuild against dh-strip-nondeterminism 0.014-1 (the current version in Sid) will fix the problem.
The problem is introduced at build time, and definitely affects zeroc-ice in Sid currently. Setting up libzeroc-ice3.5-cil (3.5.1-6.2) ... * Installing 6 assemblies from libzeroc-ice3.5-cil into Mono E: installing Assembly /usr/lib/cli/libzeroc-ice3.5/Ice.dll failed E: Installation of libzeroc-ice3.5-cil with /usr/share/cli-common/runtimes.d/mono failed dpkg: error processing package libzeroc-ice3.5-cil (--configure): subprocess installed post-installation script returned error exit status 29
