Here is a strace of systemd-networkd when it was consuming 100% CPU: https://paste.ubuntu.com/p/2XwxWwW99q/
-- 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/1877159 Title: netlink: 'systemd-network': attribute type 5 has an invalid length. Status in systemd package in Ubuntu: Fix Released Status in systemd source package in Bionic: New Status in systemd source package in Eoan: Fix Released Status in systemd source package in Focal: Fix Released Bug description: This morning, our 2 Bionic machine configured with the wireguard's PPA and using systemd-networkd to configure the wireguard tunnel started misbehaving. Why this started just now is unclear ATM but their dmesg was filled with this: validate_nla: 100 callbacks suppressed netlink: 'systemd-network': attribute type 5 has an invalid length. netlink: 'systemd-network': attribute type 5 has an invalid length. netlink: 'systemd-network': attribute type 5 has an invalid length. netlink: 'systemd-network': attribute type 5 has an invalid length. netlink: 'systemd-network': attribute type 5 has an invalid length. netlink: 'systemd-network': attribute type 5 has an invalid length. netlink: 'systemd-network': attribute type 5 has an invalid length. netlink: 'systemd-network': attribute type 5 has an invalid length. netlink: 'systemd-network': attribute type 5 has an invalid length. netlink: 'systemd-network': attribute type 5 has an invalid length. Folks in #systemd mentioned https://github.com/systemd/systemd/issues/11575 which points to 2 commits missing from Bionic's systemd version: https://github.com/systemd/systemd/commit/7d0b26a027118ca063780421cb31c74e9d2664ee https://github.com/systemd/systemd/commit/624a47694cad4c87b2e807c32db656f3e9d679c5 Focal's systemd have the above commits. Would it be possible to backport those 2 commits to Bionic? Additional information: # uname -a Linux noc-eu1 4.15.0-99-generic #100-Ubuntu SMP Wed Apr 22 20:32:56 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux # apt-cache policy systemd wireguard{,-tools,-dkms} systemd: Installed: 237-3ubuntu10.39 Candidate: 237-3ubuntu10.39 Version table: *** 237-3ubuntu10.39 500 500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages 100 /var/lib/dpkg/status 237-3ubuntu10.38 500 500 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages 237-3ubuntu10 500 500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages wireguard: Installed: 1.0.20200319-1ubuntu1~18.04 Candidate: 1.0.20200319-1ubuntu1~18.04 Version table: *** 1.0.20200319-1ubuntu1~18.04 500 500 http://ppa.launchpad.net/wireguard/wireguard/ubuntu bionic/main amd64 Packages 500 http://ppa.launchpad.net/wireguard/wireguard/ubuntu bionic/main i386 Packages 100 /var/lib/dpkg/status wireguard-tools: Installed: 1.0.20200319-1ubuntu1~18.04 Candidate: 1.0.20200319-1ubuntu1~18.04 Version table: *** 1.0.20200319-1ubuntu1~18.04 500 500 http://ppa.launchpad.net/wireguard/wireguard/ubuntu bionic/main amd64 Packages 100 /var/lib/dpkg/status wireguard-dkms: Installed: 1.0.20200429-2~18.04 Candidate: 1.0.20200429-2~18.04 Version table: *** 1.0.20200429-2~18.04 500 500 http://ppa.launchpad.net/wireguard/wireguard/ubuntu bionic/main amd64 Packages 500 http://ppa.launchpad.net/wireguard/wireguard/ubuntu bionic/main i386 Packages 100 /var/lib/dpkg/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1877159/+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
