From the looks of it [0][1], dahdi-tools actually uses libusb:1 now? [0] https://github.com/asterisk/dahdi-tools/commit/2097f1adc56c34aa855d6859c704ac8075c4218a [1] https://github.com/asterisk/dahdi-tools/blob/31cca182bf6d5846106a59d5c95330bce1550ca2/xpp/README.Astribank#L50
ping