/usr/lib/pyshared/python2.6/kinterbasdb/_kiservices.so is in python-kinterbasdb 3.3.0-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/pyshared/python2.6/kinterbasdb/../../../python2.6/dist-packages/kinterbasdb/_kiservices.so