xbt_assert(dst->is_netzone(), "When defining a NetzoneRoute, dst must be a netzone but '%s' is not", dstName);
xbt_assert(gw_src->is_host() || gw_src->is_router(),
xbt_assert(dst->is_netzone(), "When defining a NetzoneRoute, dst must be a netzone but '%s' is not", dstName);
xbt_assert(gw_src->is_host() || gw_src->is_router(),