Windows >= 7, Wifi connection, Qt >= 5.3.1, Qt Creator macOS 10.12 After an instantiation of a QNetworkAccessManager, I have periodically a high ping. With a ping -t command, I turn with 100ms, but each 2-3 seconds, a high ping occurs only if I run a programm with a network manager instantiated. I supposed there's a problem with WIFI management, because there's no socket interaction. It's as if th