Michal Čihař - Network manager not working?

Network manager not working?

For a long time I had problems on my work computers with Network manager still thinking that it is not connected. And I was really lazy to debug it. But as more and more application take online/offline settings from it, this became more and more annoying.

After some googling I found out that the problem might be in /etc/network/interfaces file, which is parsed by Network manager. Some "complex" things might confuse it. Well in my case the complex thing was calling of some script in post-up. Commenting this out magically fixes everything. Moving script to /etc/network/if-up.d/ also is not a big problem, but why the hell the Network manager thing does not tell where the problem is?

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