code: @Override
      public final String getDestinationMacAddress() {
          if (this.destinationMacAddress != null) {
              return this.destinationMacAddress;
          }
  
          try {
              return toHexString(this.headers, 0, 6);
          } catch (final IOException e) {
              throw new RuntimeException("Unable to read data from the underlying Buffer.", e);
          }
      }
docs: {@inheritDoc}