Tolerate another failure mode of get_if_addres6_list in tests

src/test/log_test_helpers.h

@@ -45,6 +45,11 @@ void mock_dump_saved_logs(void);
   assert_log_predicate(mock_saved_log_has_message_containing(str), \
                 "expected log to contain " # str);
 
+#define expect_log_msg_containing_either(str1, str2)                    \
+  assert_log_predicate(mock_saved_log_has_message_containing(str1) ||   \
+                       mock_saved_log_has_message_containing(str2),     \
+                "expected log to contain " # str1 " or " # str2);
+
 #define expect_single_log_msg_containing(str) \
   do {                                                        \
     assert_log_predicate(mock_saved_log_has_message_containing(str), \

src/test/test_address.c

@@ -794,7 +794,16 @@ test_address_get_if_addrs6_list_internal(void *arg)
 
   (void)arg;
 
+  /* We might drop a log_err */
+  int prev_level = setup_full_capture_of_logs(LOG_ERR);
   results = get_interface_address6_list(LOG_ERR, AF_INET6, 1);
+  tt_int_op(smartlist_len(mock_saved_logs()), OP_LE, 1);
+  if (smartlist_len(mock_saved_logs()) == 1) {
+    expect_log_msg_containing_either("connect() failed",
+                                     "unable to create socket");
+
+  }
+  teardown_capture_of_logs(prev_level);
 
   tt_assert(results != NULL);
   /* Work even on systems without IPv6 interfaces */
@@ -828,7 +837,9 @@ test_address_get_if_addrs6_list_no_internal(void *arg)
   results = get_interface_address6_list(LOG_ERR, AF_INET6, 0);
   tt_int_op(smartlist_len(mock_saved_logs()), OP_LE, 1);
   if (smartlist_len(mock_saved_logs()) == 1) {
-    expect_log_msg_containing("connect() failed");
+    expect_log_msg_containing_either("connect() failed",
+                                     "unable to create socket");
+
   }
   teardown_capture_of_logs(prev_level);