if (node_old && node_new)
keep = !memcmp(&route_old->nexthop, &route_new->nexthop, sizeof(route_old->nexthop)) &&
(route_old->mtu == route_new->mtu) && (route_old->type == route_new->type) &&
if (node_old && node_new)
keep = !memcmp(&route_old->nexthop, &route_new->nexthop, sizeof(route_old->nexthop)) &&
(route_old->mtu == route_new->mtu) && (route_old->type == route_new->type) &&