有谁知道 /usr/lib/x86_64- Linux -gnu/libonion.so 是什么东西嘛？为什么我新装的 ubuntu24.04 有这个东西？

Gemini 说是和加密币有关？可是我是新装的系统啊，就安装了 btop 和 htop 、nginx 、acme.sh

ubuntu@XXXXX:~$ locate libonion
/usr/lib/x86_64-linux-gnu/libonion.so
/usr/lib/x86_64-linux-gnu/libonion_security.so.1.0.19
ubuntu@XXXXX:~$ btop
ERROR: ld.so: object '/$LIB/libonion.so' from /etc/ld.so.preload cannot be preloaded (cannot open shared object file): ignored.
ERROR: ld.so: object '/$LIB/libonion.so' from /etc/ld.so.preload cannot be preloaded (cannot open shared object file): ignored.
ubuntu@XXXXX:~$ hostnamectl
 Static hostname: XXXXX
       Icon name: computer-vm
         Chassis: vm 🖴
      Machine ID: XXXXX
         Boot ID: XXXXX
  Virtualization: kvm
Operating System: Ubuntu 24.04 LTS                
          Kernel: Linux 6.8.0-71-generic
    Architecture: x86-64
 Hardware Vendor: Tencent Cloud
  Hardware Model: CVM
Firmware Version: seabios-1.9.1-qemu-project.org
   Firmware Date: Tue 2014-04-01
    Firmware Age: 11y 9month 3w 4d