$ virsh net-dumpxml default | grep bridge
<bridge name='kvm' stp='off' delay='0'/>
shall be enough to replace LIBVIRT_DNSMASQ_STATUS_FILE in order for libvirt_dnsmasq_status_file_mac_to_ip() to read the correct status file.
$ virsh net-dumpxml default | grep bridge
<bridge name='kvm' stp='off' delay='0'/>
shall be enough to replace LIBVIRT_ DNSMASQ_ STATUS_ FILE in order for libvirt_ dnsmasq_ status_ file_mac_ to_ip() to read the correct status file.