/usr/lib/x86_64-linux-gnu/libnghttp2.so.14 is in libnghttp2-14 1.30.0-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libnghttp2.so.14.15.2
/usr/lib/x86_64-linux-gnu/libnghttp2.so.14.15.2