/usr/lib/x86_64-linux-gnu/libdevhelp-3.so.5 is in libdevhelp-3-5 3.28.1-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libdevhelp-3.so.5.0.0
/usr/lib/x86_64-linux-gnu/libdevhelp-3.so.5.0.0