0 libsp.dylib spd_checkin_socket.cold.1 1 libsp.dylib spd_checkin_socket arrow_right 2 CFNetwork _CFNetworkErrorGetLocalizedDescription + 209568 3 CFNetwork _CFNetworkErrorGetLocalizedDescription + 216956 4 CFNetwork _CFNetworkErrorGetLocalizedDescription + 226704 5 CFNetwork _CFNetworkErrorGetLocalizedDescription + 223056 6 libdispatch.dylib _dispatch_call_block_and_release + 24 7 libdispatch.dylib _dispatch_client_callout + 16 8 libdispatch.dylib _dispatch_lane_serial_drain$VARIANT$armv81 + 604 9 libdispatch.dylib _dispatch_lane_invoke$VARIANT$armv81 + 380 10 libdispatch.dylib _dispatch_workloop_worker_thread + 612 11 libsystem_pthread.dylib _pthread_wqthread + 284 12 libsystem_pthread.dylib start_wqthread + 8