+int address_pool_new(Manager *m, AddressPool **ret, int family, const union in_addr_union *u, unsigned prefixlen);
+int address_pool_new_from_string(Manager *m, AddressPool **ret, int family, const char *p, unsigned prefixlen);
+void address_pool_free(AddressPool *p);
+
+int address_pool_acquire(AddressPool *p, unsigned prefixlen, union in_addr_union *found);
+
+/* Macros which append INTERFACE= to the message */
+
+#define log_full_link(level, link, fmt, ...) log_meta_object(level, __FILE__, __LINE__, __func__, "INTERFACE=", link->ifname, "%-*s: " fmt, IFNAMSIZ, link->ifname, ##__VA_ARGS__)
+#define log_debug_link(link, ...) log_full_link(LOG_DEBUG, link, ##__VA_ARGS__)
+#define log_info_link(link, ...) log_full_link(LOG_INFO, link, ##__VA_ARGS__)
+#define log_notice_link(link, ...) log_full_link(LOG_NOTICE, link, ##__VA_ARGS__)
+#define log_warning_link(link, ...) log_full_link(LOG_WARNING, link, ##__VA_ARGS__)
+#define log_error_link(link, ...) log_full_link(LOG_ERR, link, ##__VA_ARGS__)
+
+#define log_struct_link(level, link, ...) log_struct(level, "INTERFACE=%s", link->ifname, __VA_ARGS__)