int interface_add_address(struct interface *iface, struct device_addr *addr);
void interface_del_address(struct interface *iface, struct device_addr *addr);
void interface_del_ctx_addr(struct interface *iface, void *ctx);
int interface_add_address(struct interface *iface, struct device_addr *addr);
void interface_del_address(struct interface *iface, struct device_addr *addr);
void interface_del_ctx_addr(struct interface *iface, void *ctx);