That's a duplicate of bug #1540591, the update fails on a missing symbol, likely the binary got updated before the lib, the shlibs should probably be bumped in debian/rules so the binary depends on the current lib version and things get installed in the right order
That's a duplicate of bug #1540591, the update fails on a missing symbol, likely the binary got updated before the lib, the shlibs should probably be bumped in debian/rules so the binary depends on the current lib version and things get installed in the right order