/usr/lib/libapr_memcache.so.0 is in libapr-memcache0 0.7.0-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libapr_memcache.so.0.0.1
/usr/lib/libapr_memcache.so.0.0.1