An electronic device includes circuitry and a plurality of ports. The plurality of ports includes an input port and an output port, configured to communicate data units with one or more other devices across a fabric of a System on a Chip (SoC), the data units include N data bits, N being an integer larger than 1. The circuitry is configured to receive an input data unit via the input port, to make a random decision of whether to invert the N data bits in the input data unit, to produce an output data unit by retaining or inverting the N data bits of the input data unit based on the random decision, and to send the output data unit via the output port.