/lib/x86_64-linux-gnu/libply-boot-client.so.2 is in plymouth 0.9.0-9.
This file is owned by root:root, with mode 0o777.
It is a symlink to /lib/x86_64-linux-gnu/libply-boot-client.so.2.1.0
/lib/x86_64-linux-gnu/libply-boot-client.so.2.1.0