/lib/x86_64-linux-gnu/libudev.so.1 is in libudev1 237-3ubuntu10.
This file is owned by root:root, with mode 0o777.
It is a symlink to /lib/x86_64-linux-gnu/libudev.so.1.6.9
/lib/x86_64-linux-gnu/libudev.so.1.6.9