I see this on 22.04 after upgrading from 20.04. $ journalctl |grep 'Failed to save link data' Apr 17 15:25:52 hostname systemd-resolved[19095]: Failed to save link data /run/systemd/resolve/netif/3: Permission denied Apr 17 15:25:52 hostname systemd-resolved[19095]: Failed to save link data /run/systemd/resolve/netif/3: Permission denied
$ ls -ld /run/systemd/resolve/netif drwxr-xr-x 2 root root 40 Apr 17 14:46 /run/systemd/resolve/netif (note, I had tried to restart systemd-resolved) -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/1896772 Title: systemd-resolved configures no Current Scopes on start Status in systemd package in Ubuntu: Confirmed Bug description: Running groovy on the desktop, with the systemd packages that migrated today(/overnight EDT). # Steps to reproduce: 1) `systemctl restart systemd-resolved.service` (This is a minimal reproducer, but I first saw this after an apt upgrade of systemd.) # Expected behaviour: DNS continues to work, status looks like this: Link 2 (enp5s0) Current Scopes: DNS DefaultRoute setting: yes LLMNR setting: yes MulticastDNS setting: no DNSOverTLS setting: no DNSSEC setting: no DNSSEC supported: no Current DNS Server: 192.168.1.1 DNS Servers: 192.168.1.1 DNS Domain: ~. lan # Actual behaviour: DNS is unconfigured: Link 2 (enp5s0) Current Scopes: none DefaultRoute setting: no LLMNR setting: yes MulticastDNS setting: no DNSOverTLS setting: no DNSSEC setting: no DNSSEC supported: no # Workaround Disconnecting and reconnecting my network connection restored DNS functionality. ProblemType: Bug DistroRelease: Ubuntu 20.10 Package: systemd 246.5-1ubuntu1 ProcVersionSignature: Ubuntu 5.8.0-18.19-generic 5.8.4 Uname: Linux 5.8.0-18-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu45 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: i3 CurrentDmesg: Error: command ['dmesg'] failed with exit code 1: dmesg: read kernel buffer failed: Operation not permitted Date: Wed Sep 23 09:05:42 2020 InstallationDate: Installed on 2019-05-07 (504 days ago) InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210) MachineType: Gigabyte Technology Co., Ltd. B450M DS3H ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.8.0-18-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash resume=UUID=73909634-a75d-42c9-8f66-a69138690756 pcie_aspm=off vt.handoff=7 RebootRequiredPkgs: gnome-shell SourcePackage: systemd SystemdDelta: [EXTENDED] /lib/systemd/system/rc-local.service → /lib/systemd/system/rc-local.service.d/debian.conf [EXTENDED] /lib/systemd/system/user@.service → /lib/systemd/system/user@.service.d/timeout.conf 2 overridden configuration files found. SystemdFailedUnits: Error: command ['systemctl', 'status', '--full', '●'] failed with exit code 4: Invalid unit name "●" escaped as "\xe2\x97\x8f" (maybe you should use systemd-escape?). Unit \xe2\x97\x8f.service could not be found. ------ Error: command ['systemctl', 'status', '--full', '●'] failed with exit code 4: Invalid unit name "●" escaped as "\xe2\x97\x8f" (maybe you should use systemd-escape?). Unit \xe2\x97\x8f.service could not be found. UpgradeStatus: Upgraded to groovy on 2020-06-22 (92 days ago) dmi.bios.date: 01/25/2019 dmi.bios.release: 5.13 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: F4 dmi.board.asset.tag: Default string dmi.board.name: B450M DS3H-CF dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: x.x dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: Default string dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF4:bd01/25/2019:br5.13:svnGigabyteTechnologyCo.,Ltd.:pnB450MDS3H:pvrDefaultstring:rvnGigabyteTechnologyCo.,Ltd.:rnB450MDS3H-CF:rvrx.x:cvnDefaultstring:ct3:cvrDefaultstring: dmi.product.family: Default string dmi.product.name: B450M DS3H dmi.product.sku: Default string dmi.product.version: Default string dmi.sys.vendor: Gigabyte Technology Co., Ltd. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1896772/+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