删除qemu-guest-agent软件包：
systemctl stop qemu-guest-agent
apt-get autoremove --purge qemu-guest-agent -y qemu-guest-agent通过virtio_console内核模块建立的虚拟设备和服务器交互：
/dev/virtio-ports/org.qemu.guest_agent.0
/dev/vport1p1卸载并禁用virtio_console模块：
rmmod virtio_console
echo "blacklist virtio_console" >> /etc/modprobe.d/blacklist.conf通过preseed安装时禁止安装qemu-guest-agent:
d-i preseed/late_command string ;\
sed -i '/apt-install --with-recommends qemu-guest-agent/s/^/#/' /usr/lib/finish-install.d/08hw-detect;标签：none