virt-manager 启动提示 virt qemu-sock no such file or directory

$ systemctl enable virtqemud
Created symlink from /etc/systemd/system/multi-user.target.wants/virtqemud.service to /usr/local/lib/systemd/system/virtqemud.service.
Created symlink from /etc/systemd/system/sockets.target.wants/virtqemud.socket to /usr/local/lib/systemd/system/virtqemud.socket.
Created symlink from /etc/systemd/system/sockets.target.wants/virtqemud-ro.socket to /usr/local/lib/systemd/system/virtqemud-ro.socket.
Created symlink from /etc/systemd/system/sockets.target.wants/virtqemud-admin.socket to /usr/local/lib/systemd

vim /usr/local/lib/systemd/system/virtqemud.service

# 类比 libvirtd 的修改这两行，指定正确服务位置

[Service]
...
EnvironmentFile=-/etc/sysconfig/virtqemud
ExecStart=/usr/sbin/virtqemud $VIRTQEMUD_ARGS

systemctl daemon-reload
systemctl reload virtqemud
systemctl start virtqemud