bool symmetrical, bool change_order);
void get_route_check_params(NetPoint* src, NetPoint* dst);
void add_route_check_params(NetPoint* src, NetPoint* dst, NetPoint* gw_src, NetPoint* gw_dst,
bool symmetrical, bool change_order);
void get_route_check_params(NetPoint* src, NetPoint* dst);
void add_route_check_params(NetPoint* src, NetPoint* dst, NetPoint* gw_src, NetPoint* gw_dst,