Public bug reported:

Binary package hint: network-manager-vpnc

When connecting to my university VPN via Network Manager's vpnc plugin I
observe errors in syslog and the ifupdown script terminates abnormally.

The VPN does however appear to function correctly.

syslog:

Nov  5 21:38:56 chris-laptop NetworkManager: <info>  Starting VPN service 
'org.freedesktop.NetworkManager.vpnc'... 
Nov  5 21:38:56 chris-laptop NetworkManager: <info>  VPN service 
'org.freedesktop.NetworkManager.vpnc' started 
(org.freedesktop.NetworkManager.vpnc), PID 20336 
Nov  5 21:38:56 chris-laptop NetworkManager: <info>  VPN service 
'org.freedesktop.NetworkManager.vpnc' just appeared, activating connections 
Nov  5 21:38:56 chris-laptop NetworkManager: <info>  VPN plugin state changed: 
1 
Nov  5 21:38:56 chris-laptop NetworkManager: <info>  VPN plugin state changed: 
3 
Nov  5 21:38:56 chris-laptop NetworkManager: <info>  VPN connection 
'University' (Connect) reply received. 
Nov  5 21:38:56 chris-laptop kernel: [ 4914.884667] tun0: Disabled Privacy 
Extensions
Nov  5 21:38:56 chris-laptop NetworkManager: <info>  VPN connection 
'University' (IP Config Get) reply received. 
Nov  5 21:38:56 chris-laptop NetworkManager: <info>  VPN Gateway: 138.251.5.1 
Nov  5 21:38:56 chris-laptop NetworkManager: <info>  Tunnel Device: tun0 
Nov  5 21:38:56 chris-laptop NetworkManager: <info>  Internal IP4 Address: 
138.251.5.45 
Nov  5 21:38:56 chris-laptop NetworkManager: <info>  Internal IP4 Prefix: 24 
Nov  5 21:38:56 chris-laptop NetworkManager: <info>  Internal IP4 
Point-to-Point Address: 138.251.5.45 
Nov  5 21:38:56 chris-laptop NetworkManager: <info>  Maximum Segment Size 
(MSS): 0 
Nov  5 21:38:56 chris-laptop NetworkManager: <info>  Static Route: 
138.251.0.0/16   Next Hop: 138.251.0.0 
Nov  5 21:38:56 chris-laptop last message repeated 9 times
Nov  5 21:38:56 chris-laptop NetworkManager: <info>  Internal IP4 DNS: 
138.251.66.46 
Nov  5 21:38:56 chris-laptop NetworkManager: <info>  Internal IP4 DNS: 
138.251.40.10 
Nov  5 21:38:56 chris-laptop NetworkManager: <info>  DNS Domain: '(none)' 
Nov  5 21:38:56 chris-laptop NetworkManager: <info>  Login Banner: 
Nov  5 21:38:56 chris-laptop NetworkManager: <info>  
----------------------------------------- 
Nov  5 21:38:56 chris-laptop NetworkManager: <info>  (null) 
Nov  5 21:38:56 chris-laptop NetworkManager: <info>  
----------------------------------------- 
Nov  5 21:38:56 chris-laptop vpnc[20342]: can't open pidfile /var/run/vpnc/pid 
for writing
Nov  5 21:38:57 chris-laptop NetworkManager: <WARN>  
nm_system_device_set_ip4_route(): Failed to set IPv4 route on 'tun0': Sucess  
Nov  5 21:38:57 chris-laptop last message repeated 8 times
Nov  5 21:38:57 chris-laptop NetworkManager: <info>  VPN connection 
'University' (IP Config Get) complete. 
Nov  5 21:38:57 chris-laptop NetworkManager: <info>  Policy set 'Auto eth0' 
(eth0) as default for routing and DNS. 
Nov  5 21:38:57 chris-laptop NetworkManager: <info>  VPN plugin state changed: 
4 
Nov  5 21:38:57 chris-laptop nm-dispatcher.action: Script 
'/etc/NetworkManager/dispatcher.d/01ifupdown' exited with error status 1.


route -n (VPN connected)
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
138.251.5.1     192.168.1.1     255.255.255.255 UGH   0      0        0 eth0
192.168.1.0     0.0.0.0         255.255.255.0   U     1      0        0 eth0
138.251.5.0     0.0.0.0         255.255.255.0   U     0      0        0 tun0
138.251.0.0     0.0.0.0         255.255.0.0     U     0      0        0 tun0
0.0.0.0         192.168.1.1     0.0.0.0         UG    0      0        0 eth0


route -n (VPN disconnected)
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
192.168.1.0     0.0.0.0         255.255.255.0   U     1      0        0 eth0
0.0.0.0         192.168.1.1     0.0.0.0         UG    0      0        0 eth0

** Affects: network-manager-vpnc (Ubuntu)
     Importance: Undecided
         Status: New

-- 
Error: Failed to set IPv4 route
https://bugs.launchpad.net/bugs/294394
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