/usr/share/lintian/overrides/libpoconet9-dbg is in libpoconet9-dbg 1.3.6p1-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1
libpoconet9-dbg: package-name-doesnt-match-sonames libPocoNetd9