// unimplemented Messenger interface
void set_addr_unknowns(const entity_addr_t &addr) override {}
+ void set_addr(const entity_addr_t &addr) override {}
int get_dispatch_queue_len() override { return 0; }
double get_dispatch_queue_max_age(utime_t now) override { return 0; }
void set_cluster_protocol(int p) override {}