/usr/lib/x86_64-linux-gnu/libtevent.so is in libtevent-dev 0.9.26-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libtevent.so.0.9.26
/usr/lib/x86_64-linux-gnu/libtevent.so.0.9.26