Thank you for your investigation. This sounds very related to this systemd/udev quirk:
https://github.com/canonical/netplan/commit/1413f0e7b8f4d068f817a009d998656de3224370 -- 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/2023183 Title: network-manager autokpgtest failure (nm.py) Status in network-manager package in Ubuntu: In Progress Status in network-manager source package in Lunar: Confirmed Status in network-manager source package in Mantic: Confirmed Status in network-manager source package in Noble: In Progress Bug description: This fails only on arm64. https://autopkgtest.ubuntu.com/results/autopkgtest- lunar/lunar/arm64/n/network-manager/20230522_141200_71ac4@/log.gz To be determined if there is a bug in the package or linux kernel. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/2023183/+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
