I have the same problem on GalliumOS running on an Acer Chromebook R11. I tried the above method (#16) and it did not work.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1568560 Title: nm_device_get_device_type: assertion 'NM_IS_DEVICE (self)' failed To manage notifications about this bug go to: https://bugs.launchpad.net/network-manager/+bug/1568560/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs