- (destination, netprefix, nexthop, metric) = route
+ (destination, netprefix, nexthop, metric, device) = route
element.add_route(prefix = destination, prefix_len = netprefix,
nexthop = nexthop, metric = metric)
element.add_route(prefix = destination, prefix_len = netprefix,
nexthop = nexthop, metric = metric)