Seems like my installation of 16.04.2 is also affected by this bug: Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.0240] audit: op="connection-activate" uuid="1419b5fa-a369-4181-8423-5cc543f862e4" name="VPN connection 1" pid=1913 uid=1000 result="success" Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.0288] vpn-connection[0x161d3e0,1419b5fa-a369-4181-8423-5cc543f862e4,"VPN connection 1",0]: Started the VPN service, PID 4091 Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.0401] vpn-connection[0x161d3e0,1419b5fa-a369-4181-8423-5cc543f862e4,"VPN connection 1",0]: Saw the service appear; activating connection Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.0494] vpn-connection[0x161d3e0,1419b5fa-a369-4181-8423-5cc543f862e4,"VPN connection 1",0]: VPN connection: (ConnectInteractive) reply received Aug 12 21:30:43 luv NetworkManager[900]: ** Message: ipsec enable flag: (null) Aug 12 21:30:43 luv NetworkManager[900]: ** Message: Check port 1701 Aug 12 21:30:43 luv NetworkManager[900]: ** Message: xl2tpd started with pid 4094 Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: setsockopt recvref[30]: Protocol not available Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: Using l2tp kernel support. Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: xl2tpd version xl2tpd-1.3.6 started on luv PID:4094 Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: Written by Mark Spencer, Copyright (C) 1998, Adtran, Inc. Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: Forked by Scott Balmos and David Stipp, (C) 2001 Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: Inherited by Jeff McAdams, (C) 2002 Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: Forked again by Xelerance (www.xelerance.com) (C) 2006 Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: Listening on IP address 0.0.0.0, port 1701 Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: Connecting to host 213.234.199.250, port 1701 Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.0619] vpn-connection[0x161d3e0,1419b5fa-a369-4181-8423-5cc543f862e4,"VPN connection 1",0]: VPN plugin: state changed: starting (3) Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: Connection established to 213.234.199.250, 1701. Local: 19472, Remote: 28276 (ref=0/0). Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: Calling on tunnel 19472 Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: Call established with 213.234.199.250, Local: 14314, Remote: 27213, Serial: 1 (ref=0/0) Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: start_pppd: I'm running: Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: "/usr/sbin/pppd" Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: "passive" Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: "nodetach" Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: ":" Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: "file" Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: "/var/run/nm-ppp-options.xl2tpd.4091" Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: "plugin" Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: "pppol2tp.so" Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: "pppol2tp" Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: "7" Aug 12 21:30:43 luv pppd[4095]: Plugin /usr/lib/pppd/2.4.7/nm-l2tp-pppd-plugin.so loaded. Aug 12 21:30:43 luv NetworkManager[900]: ** Message: nm-l2tp-ppp-plugin: (plugin_init): initializing Aug 12 21:30:43 luv pppd[4095]: Plugin pppol2tp.so loaded. Aug 12 21:30:43 luv pppd[4095]: pppd 2.4.7 started by root, uid 0 Aug 12 21:30:43 luv NetworkManager[900]: ** Message: nm-l2tp-ppp-plugin: (nm_phasechange): status 3 / phase 'serial connection' Aug 12 21:30:43 luv pppd[4095]: Using interface ppp0 Aug 12 21:30:43 luv pppd[4095]: Connect: ppp0 <--> Aug 12 21:30:43 luv NetworkManager[900]: ** Message: nm-l2tp-ppp-plugin: (nm_phasechange): status 5 / phase 'establish' Aug 12 21:30:43 luv pppd[4095]: Overriding mtu 1500 to 1400 Aug 12 21:30:43 luv NetworkManager[900]: nm_device_get_device_type: assertion 'NM_IS_DEVICE (self)' failed Aug 12 21:30:43 luv pppd[4095]: Overriding mru 1500 to mtu value 1400 Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.0964] manager: (ppp0): new Generic device (/org/freedesktop/NetworkManager/Devices/4) Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.0993] devices added (path: /sys/devices/virtual/net/ppp0, iface: ppp0) Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.0994] device added (path: /sys/devices/virtual/net/ppp0, iface: ppp0): no ifupdown configuration found. Aug 12 21:30:43 luv pppd[4095]: Overriding mtu 1460 to 1400 Aug 12 21:30:43 luv pppd[4095]: Overriding mru 1460 to mtu value 1400 Aug 12 21:30:43 luv NetworkManager[900]: ** Message: nm-l2tp-ppp-plugin: (nm_phasechange): status 6 / phase 'authenticate' Aug 12 21:30:43 luv NetworkManager[900]: ** Message: nm-l2tp-ppp-plugin: (get_credentials): passwd-hook, requesting credentials... Aug 12 21:30:43 luv NetworkManager[900]: ** Message: nm-l2tp-ppp-plugin: (get_credentials): got credentials from NetworkManager-l2tp Aug 12 21:30:43 luv pppd[4095]: CHAP authentication succeeded Aug 12 21:30:43 luv pppd[4095]: CHAP authentication succeeded Aug 12 21:30:43 luv NetworkManager[900]: ** Message: nm-l2tp-ppp-plugin: (nm_phasechange): status 8 / phase 'network' Aug 12 21:30:43 luv charon[1475]: 10[KNL] 2.93.103.219 appeared on ppp0 Aug 12 21:30:43 luv pppd[4095]: local IP address 2.93.103.219 Aug 12 21:30:43 luv NetworkManager[900]: ** Message: nm-l2tp-ppp-plugin: (nm_phasechange): status 9 / phase 'running' Aug 12 21:30:43 luv NetworkManager[900]: ** Message: nm-l2tp-ppp-plugin: (nm_ip_up): ip-up event Aug 12 21:30:43 luv pppd[4095]: remote IP address 213.234.199.250 Aug 12 21:30:43 luv pppd[4095]: primary DNS address 213.234.192.7 Aug 12 21:30:43 luv charon[1475]: 05[KNL] 2.93.103.219 disappeared from ppp0 Aug 12 21:30:43 luv pppd[4095]: secondary DNS address 85.21.192.5 Aug 12 21:30:43 luv charon[1475]: 11[KNL] 2.93.103.219 appeared on ppp0 Aug 12 21:30:43 luv charon[1475]: 14[KNL] interface ppp0 activated Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.1587] vpn-connection[0x161d3e0,1419b5fa-a369-4181-8423-5cc543f862e4,"VPN connection 1",0]: VPN connection: (IP4 Config Get) reply received from old-style plugin Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.1595] vpn-connection[0x161d3e0,1419b5fa-a369-4181-8423-5cc543f862e4,"VPN connection 1",5:(ppp0)]: Data: VPN Gateway: 213.234.199.250 Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.1596] vpn-connection[0x161d3e0,1419b5fa-a369-4181-8423-5cc543f862e4,"VPN connection 1",5:(ppp0)]: Data: Tunnel Device: ppp0 Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.1596] vpn-connection[0x161d3e0,1419b5fa-a369-4181-8423-5cc543f862e4,"VPN connection 1",5:(ppp0)]: Data: IPv4 configuration: Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.1596] vpn-connection[0x161d3e0,1419b5fa-a369-4181-8423-5cc543f862e4,"VPN connection 1",5:(ppp0)]: Data: Internal Address: 2.93.103.219 Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.1597] vpn-connection[0x161d3e0,1419b5fa-a369-4181-8423-5cc543f862e4,"VPN connection 1",5:(ppp0)]: Data: Internal Prefix: 32 Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.1597] vpn-connection[0x161d3e0,1419b5fa-a369-4181-8423-5cc543f862e4,"VPN connection 1",5:(ppp0)]: Data: Internal Point-to-Point Address: 213.234.199.250 Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.1597] vpn-connection[0x161d3e0,1419b5fa-a369-4181-8423-5cc543f862e4,"VPN connection 1",5:(ppp0)]: Data: Maximum Segment Size (MSS): 0 Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.1597] vpn-connection[0x161d3e0,1419b5fa-a369-4181-8423-5cc543f862e4,"VPN connection 1",5:(ppp0)]: Data: Static Route: 213.234.192.7/32 Next Hop: 10.85.80.1 Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.1597] vpn-connection[0x161d3e0,1419b5fa-a369-4181-8423-5cc543f862e4,"VPN connection 1",5:(ppp0)]: Data: Static Route: 85.21.92.5/32 Next Hop: 10.85.80.1 Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.1598] vpn-connection[0x161d3e0,1419b5fa-a369-4181-8423-5cc543f862e4,"VPN connection 1",5:(ppp0)]: Data: Forbid Default Route: no Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.1598] vpn-connection[0x161d3e0,1419b5fa-a369-4181-8423-5cc543f862e4,"VPN connection 1",5:(ppp0)]: Data: Internal DNS: 213.234.192.7 Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.1598] vpn-connection[0x161d3e0,1419b5fa-a369-4181-8423-5cc543f862e4,"VPN connection 1",5:(ppp0)]: Data: Internal DNS: 85.21.192.5 Aug 12 21:30:43 luv charon[1475]: 15[KNL] interface ppp0 deactivated Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.1598] vpn-connection[0x161d3e0,1419b5fa-a369-4181-8423-5cc543f862e4,"VPN connection 1",5:(ppp0)]: Data: DNS Domain: '(none)' Aug 12 21:30:43 luv charon[1475]: 10[KNL] 2.93.103.219 disappeared from ppp0 Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: death_handler: Fatal signal 15 received Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: Terminating pppd: sending TERM signal to pid 4095 Aug 12 21:30:43 luv NetworkManager[900]: xl2tpd[4094]: Connection 28276 closed to 213.234.199.250, port 1701 (Server closing) Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.1598] vpn-connection[0x161d3e0,1419b5fa-a369-4181-8423-5cc543f862e4,"VPN connection 1",5:(ppp0)]: Data: No IPv6 configuration Aug 12 21:30:43 luv pppd[4095]: Terminating on signal 15 Aug 12 21:30:43 luv NetworkManager[900]: ** Message: nm-l2tp-ppp-plugin: (nm_phasechange): status 10 / phase 'terminate' Aug 12 21:30:43 luv NetworkManager[900]: ** Message: nm-l2tp-ppp-plugin: (nm_phasechange): status 8 / phase 'network' Aug 12 21:30:43 luv NetworkManager[900]: ** Message: nm-l2tp-ppp-plugin: (nm_phasechange): status 5 / phase 'establish' Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.1599] vpn-connection[0x161d3e0,1419b5fa-a369-4181-8423-5cc543f862e4,"VPN connection 1",5:(ppp0)]: VPN plugin: state changed: started (4) Aug 12 21:30:43 luv pppd[4095]: Connect time 0.0 minutes. Aug 12 21:30:43 luv NetworkManager[900]: ** Message: Terminated xl2tpd daemon with PID 4094. Aug 12 21:30:43 luv NetworkManager[900]: <error> [1471026643.1606] platform-linux: do-add-ip4-route[5: 85.21.92.5/32 100]: failure 101 (Network is unreachable) Aug 12 21:30:43 luv pppd[4095]: Sent 0 bytes, received 0 bytes. Aug 12 21:30:43 luv NetworkManager[900]: <error> [1471026643.1606] platform-linux: do-add-ip4-route[5: 213.234.192.7/32 100]: failure 101 (Network is unreachable) Aug 12 21:30:43 luv pppd[4095]: Overriding mtu 1500 to 1400 Aug 12 21:30:43 luv NetworkManager[900]: <warn> [1471026643.1608] vpn-connection[0x161d3e0,1419b5fa-a369-4181-8423-5cc543f862e4,"VPN connection 1",5:(ppp0)]: VPN connection: did not receive valid IP config information Aug 12 21:30:43 luv pppd[4095]: Overriding mru 1500 to mtu value 1400 Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.1624] vpn-connection[0x161d3e0,1419b5fa-a369-4181-8423-5cc543f862e4,"VPN connection 1",0]: VPN plugin: state changed: stopping (5) Aug 12 21:30:43 luv NetworkManager[900]: <info> [1471026643.1642] vpn-connection[0x161d3e0,1419b5fa-a369-4181-8423-5cc543f862e4,"VPN connection 1",0]: VPN service disappeared
I use nm-l2tp plugin from https://github.com/nm-l2tp/network-manager- l2tp/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1507530 Title: VPN service 'pptp' disappeared To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1507530/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
