def ebchange(self, wlan):
        self.updatelock.acquire()
        if wlan not in self.updates:
            self.updates.append(wlan)
        self.updatelock.release()
Flag a change to the given WLAN's _linked dict, so the ebtables
dataset/ETHPy150Open coreemu/core/daemon/core/netns/vnet.py/EbtablesQueue.ebchange