applet shows wwan "Connecting..." forever, even after connection is up

WWAN connection on Thinkpad W520, Gobi 3000. Has always worked on Linux, and continues to work (basically). At some point, I think when I upgraded to Trusty, the NM applet began to show "Connecting" forever even after the connection is complete. Right now I'm filing this report over the working WWAN connection but "Connecting" is still there in the applet.

ip, nm-tool, and nmcli show the connection up.

$ ip a
...
32: wwan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN group default qlen 1000
    link/ether <removed> brd ff:ff:ff:ff:ff:ff
    inet <removed> brd <removed> scope global wwan0
       valid_lft forever preferred_lft forever
    inet6 <removed> scope link
       valid_lft forever preferred_lft forever

$ nmcli con status
========================================================================================================================================
                                                           Active connections
========================================================================================================================================
NAME UUID DEVICES DEFAULT VPN MASTER-PATH
----------------------------------------------------------------------------------------------------------------------------------------
<removed> <removed> cdc-wdm0 yes no --

$ nm-tool
...
- Device: cdc-wdm0 [<removed>] ---------------------------------------------------
  Type: Mobile Broadband (CDMA)
  Driver: qcserial, qmi_wwan
  State: connected
  Default: yes

  Capabilities:

  IPv4 Settings:
    Address: <removed>
    Prefix: <removed>
    Gateway: <removed>

    DNS: <removed>
    DNS: <removed>

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: plasma-widget-networkmanagement 0.9.3.3-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-32.57-lowlatency 3.13.11.4
Uname: Linux 3.13.0-32-lowlatency x86_64
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
CurrentDesktop: KDE
Date: Sun Aug 3 13:56:33 2014
InstallationDate: Installed on 2013-01-01 (579 days ago)
InstallationMedia: Kubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.1)
PackageArchitecture: all
SourcePackage: plasma-nm
UpgradeStatus: Upgraded to trusty on 2014-05-16 (79 days ago)