i morkaround this way
cat /lib/systemd/system/avahi-daemon.service [Unit] Description=Avahi mDNS/DNS-SD Stack After=network-online.target [Service] Type=dbus BusName=org.freedesktop.Avahi ExecStart=/usr/sbin/avahi-daemon -s ExecReload=/usr/sbin/avahi-daemon -r NotifyAccess=main [Install] WantedBy=multi-user.target Also=avahi-daemon.socket Alias=dbus-org.freedesktop.Avahi.service