Comment 13 for bug 879828

According to this https://forum.sabayon.org/viewtopic.php?f=52&t=25537 NM-0.9.1.90 really has this problem when using ifnet plugin to store settings. Can you try disabling this plugin, restarting NM and see if it solves your problem?

You can disabled using these instructions:

https://forum.sabayon.org/viewtopic.php?f=52&t=25537&start=10#p142139