4.15.0-42.45) is not available, but a newer one is (4.15.0-46.49). We redirected you there.
/usr/lib/libwnn6.so.1 is in libwnn6-1 1.0.0-18.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libwnn6.so.1.0.0