Thank you for your bug report. Is that issue new to focal? Could you add a 'journalctl -b 0' log after triggering the error?
The code does char *conntrack_module[] = { "/sbin/modprobe", "nf_conntrack_pptp", NULL }; if (!g_spawn_sync (NULL, conntrack_module, NULL, 0, NULL, NULL, NULL, NULL, NULL, &error)) { _LOGW ("modprobing nf_conntrack_pptp failed: %s", error->message); so it should either load the module or print an error... ** Package changed: network-manager (Ubuntu) => network-manager-pptp (Ubuntu) ** Changed in: network-manager-pptp (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1861322 Title: PPTP VPN doesn't work out of the box - nf_conntrack_pptp missing Status in network-manager-pptp package in Ubuntu: Incomplete Bug description: PPTP based VPN doesn't work out of the box on Focal Fossa. From syslog: Jan 29 19:41:35 thinkpad pppd[8734]: Plugin /usr/lib/pppd/2.4.7/nm-pptp-pppd-plugin.so loaded. Jan 29 19:41:35 thinkpad NetworkManager[8734]: Plugin /usr/lib/pppd/2.4.7/nm-pptp-pppd-plugin.so loaded. Jan 29 19:41:35 thinkpad pptp[8739]: nm-pptp-service-8722 log[main:pptp.c:353]: The synchronous pptp option is NOT activated Jan 29 19:41:35 thinkpad pptp[8750]: nm-pptp-service-8722 log[ctrlp_rep:pptp_ctrl.c:258]: Sent control packet type is 1 'Start-Control-Connection-Request' Jan 29 19:41:35 thinkpad pptp[8750]: nm-pptp-service-8722 log[ctrlp_disp:pptp_ctrl.c:781]: Received Start Control Connection Reply Jan 29 19:41:35 thinkpad pptp[8750]: nm-pptp-service-8722 log[ctrlp_disp:pptp_ctrl.c:815]: Client connection established. Jan 29 19:41:36 thinkpad pptp[8750]: nm-pptp-service-8722 log[ctrlp_rep:pptp_ctrl.c:258]: Sent control packet type is 7 'Outgoing-Call-Request' Jan 29 19:41:36 thinkpad pptp[8750]: nm-pptp-service-8722 log[ctrlp_disp:pptp_ctrl.c:900]: Received Outgoing Call Reply. Jan 29 19:41:36 thinkpad pptp[8750]: nm-pptp-service-8722 log[ctrlp_disp:pptp_ctrl.c:938]: Outgoing call established (call ID 44616, peer's call ID 0). Jan 29 19:42:03 thinkpad pptp[8750]: nm-pptp-service-8722 log[ctrlp_disp:pptp_ctrl.c:976]: Call disconnect notification received (call id 44616) Jan 29 19:42:06 thinkpad pptp[8750]: nm-pptp-service-8722 log[logecho:pptp_ctrl.c:719]: Echo Request received. Jan 29 19:42:06 thinkpad pptp[8750]: nm-pptp-service-8722 log[ctrlp_rep:pptp_ctrl.c:258]: Sent control packet type is 6 'Echo-Reply' Jan 29 19:42:06 thinkpad pptp[8739]: nm-pptp-service-8722 warn[decaps_hdlc:pptp_gre.c:226]: short read (-1): Input/output error Jan 29 19:42:06 thinkpad pptp[8739]: nm-pptp-service-8722 warn[decaps_hdlc:pptp_gre.c:238]: pppd may have shutdown, see pppd log Jan 29 19:42:06 thinkpad pppd[8734]: Child process /usr/sbin/pptp 161.53.xxx.yyy --nolaunchpppd --loglevel 0 --logstring nm-pptp-service-8722 (pid 8737) terminated with signal 15 Jan 29 19:42:06 thinkpad NetworkManager[8734]: Child process /usr/sbin/pptp 161.53.xxx.yyy --nolaunchpppd --loglevel 0 --logstring nm-pptp-service-8722 (pid 8737) terminated with signal 15 Jan 29 19:42:06 thinkpad pptp[8750]: nm-pptp-service-8722 log[callmgr_main:pptp_callmgr.c:245]: Closing connection (unhandled) Jan 29 19:42:06 thinkpad pptp[8750]: nm-pptp-service-8722 log[ctrlp_rep:pptp_ctrl.c:258]: Sent control packet type is 12 'Call-Clear-Request' Jan 29 19:42:06 thinkpad pptp[8750]: nm-pptp-service-8722 log[call_callback:pptp_callmgr.c:84]: Closing connection (call state) Once nf_conntrack_pptp kernel module is loaded, VPN connection succeeds: Jan 29 19:44:02 thinkpad pppd[10166]: Plugin /usr/lib/pppd/2.4.7/nm-pptp-pppd-plugin.so loaded. Jan 29 19:44:02 thinkpad NetworkManager[10166]: Plugin /usr/lib/pppd/2.4.7/nm-pptp-pppd-plugin.so loaded. Jan 29 19:44:02 thinkpad pptp[10170]: nm-pptp-service-10156 log[main:pptp.c:353]: The synchronous pptp option is NOT activated Jan 29 19:44:02 thinkpad pptp[10183]: nm-pptp-service-10156 log[ctrlp_rep:pptp_ctrl.c:258]: Sent control packet type is 1 'Start-Control-Connection-Request' Jan 29 19:44:02 thinkpad pptp[10183]: nm-pptp-service-10156 log[ctrlp_disp:pptp_ctrl.c:781]: Received Start Control Connection Reply Jan 29 19:44:02 thinkpad pptp[10183]: nm-pptp-service-10156 log[ctrlp_disp:pptp_ctrl.c:815]: Client connection established. Jan 29 19:44:03 thinkpad pptp[10183]: nm-pptp-service-10156 log[ctrlp_rep:pptp_ctrl.c:258]: Sent control packet type is 7 'Outgoing-Call-Request' Jan 29 19:44:03 thinkpad pptp[10183]: nm-pptp-service-10156 log[ctrlp_disp:pptp_ctrl.c:900]: Received Outgoing Call Reply. Jan 29 19:44:03 thinkpad pptp[10183]: nm-pptp-service-10156 log[ctrlp_disp:pptp_ctrl.c:938]: Outgoing call established (call ID 61223, peer's call ID 0). To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager-pptp/+bug/1861322/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp