I have a similiar problem in debian testing and I think it's the same:
"plasma-widget-networkmanagement" does not apply the ad-hoc setting to the network settings.
You can open "Manage Connections…" and change the mode of the network in question to "ad-hoc".
I have a similiar problem in debian testing and I think it's the same: widget- networkmanageme nt" does not apply the ad-hoc setting to the network settings.
"plasma-
You can open "Manage Connections…" and change the mode of the network in question to "ad-hoc".