/usr/lib/libomniCodeSets4.so.1 is in libomniorb4-1 4.1.6-2ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libomniCodeSets4.so.1.6
/usr/lib/libomniCodeSets4.so.1.6