cAP ac (ROS 6.43.12, 6.44b75)
1. Create a Wireless virtual interface:
Winbox: "Wireless" > "WiFi Interfaces" > "+" > "Virtual" > ...
2. Add a graph for this virtual interface:
Winbox: "Tools" > "Graphing" > "Interface Rules" > "+" > "Choice a virtual interface"
Now all work fine.
3. Reboot device.
Now we have no wireless interfaces.
"Wireless Tables" is blank.
4. Delete just created graph, reboot device, and all work fine.
