There is here a change in behavior in lxc/lxd. Running https://paste.ubuntu.com/p/vz7SXcX3K9/:
On hirsute lxd container: root@hirsute:~# ./test access errno 13 path is read only: 0 root@hirsute:~# mount | grep 'sysfs on /sys ' sysfs on /sys type sysfs (rw,relatime) On focal lxd container: root@focal:~# ./test path is read only: 1 root@focal:~# mount | grep 'sysfs on /sys ' sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime) sysfs on /sys type sysfs (ro,nosuid,nodev,noexec,relatime) (no idea why there are two mounts in focal) According to https://systemd.io/CONTAINER_INTERFACE/ , /sys should be mounted read-only? -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1914062 Title: NetworkManager-wait-online.service in 1.28.0-2ubuntu1 fails to start in LXC Status in network-manager package in Ubuntu: Triaged Bug description: This regresses systemd's autopkgtest because it expects the system in the container to reach running state, but the system ends up in degraded state due to the service failing. https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-hirsute/hirsute/amd64/s/systemd/20210112_185712_ff570@/log.gz ... ====================================================================== FAIL: test_no_failed (__main__.ServicesTest) No failed units ---------------------------------------------------------------------- Traceback (most recent call last): File "/tmp/autopkgtest.fFC3Lw/build.xLc/real-tree/debian/tests/boot-and-services", line 68, in test_no_failed self.assertEqual(failed, []) AssertionError: Lists differ: ['● NetworkManager-wait-online.service loa[42 chars]ine'] != [] First list contains 1 additional elements. First extra element 0: '● NetworkManager-wait-online.service loaded failed failed Network Manager Wait Online' + [] - ['● NetworkManager-wait-online.service loaded failed failed Network Manager ' - 'Wait Online'] ---------------------------------------------------------------------- Ran 23 tests in 4.435s ... Reproducible locally by installing n-m from -proposed, then restarting the system in the LXC container. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1914062/+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
