Comment 5 for bug 1458340

Please don't close the bug! I have the same problem on my newly installed Ubuntu 15.04, the problem also seems to be the 4G modem. It worked nicely on 14.04 and 14.10. As a workaround, I am able to start "nm-applet --version" and use it, but it becomes unstable after a sleep mode again.
I don't know what @jukey means by "two entries for my mobile broadband connection" - but I do have only one 4G modem listed by "mmcli -L" and only one NetworkManager connection configured for this modem.