Edit file File name : virtnwfilterd-ro.socket Content :[Unit] Description=Libvirt nwfilter local read-only socket Before=virtnwfilterd.service BindsTo=virtnwfilterd.socket After=virtnwfilterd.socket [Socket] # The directory must match the /etc/libvirt/virtnwfilterd.conf unix_sock_dir setting # when using systemd version < 227 ListenStream=/run/libvirt/virtnwfilterd-sock-ro Service=virtnwfilterd.service SocketMode=0666 [Install] WantedBy=sockets.target Save