vpn configuration cannot be edited after its added

[test case]
1) add a VPN connection
2) try to edit VPN connection after its added

This works in trusty

ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: network-manager 0.9.8.8-0ubuntu21
ProcVersionSignature: Ubuntu 3.16.0-3.8-generic 3.16.0-rc4
Uname: Linux 3.16.0-3-generic x86_64
ApportVersion: 2.14.4-0ubuntu2
Architecture: amd64
CurrentDesktop: Unity
Date: Wed Jul 16 15:54:24 2014
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
InstallationDate: Installed on 2014-04-30 (77 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
IpRoute:
 default via 192.168.1.1 dev wlan0 proto static
 10.0.3.0/24 dev lxcbr0 proto kernel scope link src 10.0.3.1
 192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.100 metric 9
 192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-nm:
 ** (process:14799): CRITICAL **: dbus_g_proxy_add_signal: assertion 'g_dbus_is_member_name (signal_name)' failed

 ** (process:14799): CRITICAL **: dbus_g_proxy_connect_signal: assertion 'g_dbus_is_member_name (signal_name)' failed
 RUNNING VERSION STATE NET-ENABLED WIFI-HARDWARE WIFI WWAN-HARDWARE WWAN
 running 0.9.8.8 connected enabled enabled enabled enabled enabled