diff --git a/changes/bug20634 b/changes/bug20634
new file mode 100644
index 000000000..62fc9f478
--- /dev/null
+++ b/changes/bug20634
@@ -0,0 +1,3 @@
+  o Minor bugfixes (unit tests):
+    - Stop spurious failures in the local interface address discovery unit
+      tests. Fixes bug 20634; bugfix on 0.2.8.1-alpha; patch by Neel Chauhan.
diff --git a/src/test/log_test_helpers.h b/src/test/log_test_helpers.h
index 4c020c7ec..922c68b42 100644
--- a/src/test/log_test_helpers.h
+++ b/src/test/log_test_helpers.h
@@ -49,7 +49,22 @@ void mock_dump_saved_logs(void);
 #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);
+                       "expected log to contain " # str1 " or " # str2);
+
+#define expect_log_msg_containing_either3(str1, str2, str3)             \
+  assert_log_predicate(mock_saved_log_has_message_containing(str1) ||   \
+                       mock_saved_log_has_message_containing(str2) ||   \
+                       mock_saved_log_has_message_containing(str3),     \
+                       "expected log to contain " # str1 " or " # str2  \
+                       " or " # str3);
+
+#define expect_log_msg_containing_either4(str1, str2, str3, str4)       \
+  assert_log_predicate(mock_saved_log_has_message_containing(str1) ||   \
+                       mock_saved_log_has_message_containing(str2) ||   \
+                       mock_saved_log_has_message_containing(str3) ||   \
+                       mock_saved_log_has_message_containing(str4),     \
+                       "expected log to contain " # str1 " or " # str2  \
+                       " or " # str3 " or " # str4);
 
 #define expect_single_log_msg(str) \
   do {                                                                  \
diff --git a/src/test/test_address.c b/src/test/test_address.c
index e52779cb6..0d142ad48 100644
--- a/src/test/test_address.c
+++ b/src/test/test_address.c
@@ -808,8 +808,13 @@ test_address_get_if_addrs6_list_internal(void *arg)
   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");
+    expect_log_msg_containing_either4("connect() failed",
+                                      "unable to create socket",
+                                      "Address that we determined via UDP "
+                                      "socket magic is unsuitable for public "
+                                      "comms.",
+                                      "getsockname() to determine interface "
+                                      "failed");
   }
   teardown_capture_of_logs();
 
@@ -846,8 +851,13 @@ 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_either("connect() failed",
-                                     "unable to create socket");
+    expect_log_msg_containing_either4("connect() failed",
+                                      "unable to create socket",
+                                      "Address that we determined via UDP "
+                                      "socket magic is unsuitable for public "
+                                      "comms.",
+                                      "getsockname() to determine interface "
+                                      "failed");
   }
   teardown_capture_of_logs();