# File lib/vagrant-libvirt/driver.rb, line 118
      def get_ipaddress_system(mac)
        ip_address = nil

        system_connection.list_all_networks.each do |net|
          leases = net.dhcp_leases(mac, 0)
          # Assume the lease expiring last is the current IP address
          ip_address = leases.sort_by { |lse| lse["expirytime"] }.last["ipaddr"] if !leases.empty?
          break if ip_address
        end

        return ip_address
      end