See https://answers.launchpad.net/ubuntu/+source/gnome-nettool/+question/211095
The "huawei/ndisdup-changes" branch upstream might solve this:
http://cgit.freedesktop.org/ModemManager/ModemManager/log/?h=huawei/ndisdup-changes
in addition to some kernel changes mentioned.
See https:/ /answers. launchpad. net/ubuntu/ +source/ gnome-nettool/ +question/ 211095
The "huawei/ ndisdup- changes" branch upstream might solve this:
http:// cgit.freedeskto p.org/ModemMana ger/ModemManage r/log/? h=huawei/ ndisdup- changes
in addition to some kernel changes mentioned.