/usr/lib/x86_64-linux-gnu/libpkcs11_tpm.so is in libopencryptoki0 3.9.0+dfsg-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libpkcs11_tpm.so.0
/usr/lib/x86_64-linux-gnu/libpkcs11_tpm.so.0