OK after digging further through the logs, it seems that at some point NetworkManager lost the vpn "HMAC Authentication" Cipher setting.
not sure if this was caused during the Dist upgrade or switching to IWD. I will report further on this once I upgrade second laptop to Groovy. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to network-manager-openvpn in Ubuntu. https://bugs.launchpad.net/bugs/1895083 Title: Authenticate/Decrypt packet error: packet HMAC authentication failed Status in network-manager-openvpn package in Ubuntu: New Bug description: Since upgrading to groovy my openvpn connection out to our corporate is not working. I was testing Iwd but have now reverted to wpa_supplicant. Connection to the vpn succeeds and routing table gets setup, however no traffic is flowing over the connection and I get the following errors nm-openvpn[4428]: Authenticate/Decrypt packet error: packet HMAC authentication failed ProblemType: Bug DistroRelease: Ubuntu 20.10 Package: network-manager-openvpn 1.8.12-2 ProcVersionSignature: Ubuntu 5.8.0-18.19-generic 5.8.4 Uname: Linux 5.8.0-18-generic x86_64 ApportVersion: 2.20.11-0ubuntu45 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: GNOME Date: Thu Sep 10 15:06:03 2020 InstallationDate: Installed on 2020-07-23 (48 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423) SourcePackage: network-manager-openvpn UpgradeStatus: Upgraded to groovy on 2020-08-31 (10 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager-openvpn/+bug/1895083/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
