diff --git a/Lib/logging/handlers.py b/Lib/logging/handlers.py
index 7d77973..2356f8d 100644
--- a/Lib/logging/handlers.py
+++ b/Lib/logging/handlers.py
@@ -815,7 +815,14 @@
 
         if isinstance(address, str):
             self.unixsocket = True
-            self._connect_unixsocket(address)
+            # Syslog server may be unavailable during handler initialisation.
+            # C's openlog() function also ignores connection errors.
+            # Moreover, we ignore these errors while logging, so it not worse
+            # to ignore it also here.
+            try:
+                self._connect_unixsocket(address)
+            except OSError:
+                pass
         else:
             self.unixsocket = False
             if socktype is None: