Additional checks for ONVIF event capabilities (#35599)

catch any exceptions when pulling event capabilities and assume it is not supported

homeassistant/components/onvif/device.py

@@ -209,17 +209,23 @@ class ONVIFDevice:
         """Obtain information about the available services on the device."""
         media_service = self.device.create_media_service()
         media_capabilities = await media_service.GetServiceCapabilities()
+
+        pullpoint = False
+        try:
             event_service = self.device.create_events_service()
             event_capabilities = await event_service.GetServiceCapabilities()
+            pullpoint = event_capabilities.WSPullPointSupport
+        except (ONVIFError, Fault):
+            pass
+
         ptz = False
         try:
             self.device.get_definition("ptz")
             ptz = True
         except ONVIFError:
             pass
-        return Capabilities(
-            media_capabilities.SnapshotUri, event_capabilities.WSPullPointSupport, ptz
-        )
+
+        return Capabilities(media_capabilities.SnapshotUri, pullpoint, ptz)
 
     async def async_get_profiles(self) -> List[Profile]:
         """Obtain media profiles for this device."""