networkmanager can not manage the network and prompt "unmanaged network devices."

Using the Linux desktop system time,Many of my friends will encounter network manager prompts "Device unmanaged" situation。


In this case, the network can access the Internet,But the network manager - general nature is hard to force the Network Manager,But life and death does not display state。

In fact,at this time,The system uses another set of network management scheme,And this program[……]

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