This seems to be linked to a problem that suddenly appeared a while ago. I thought the problem had been completely solved, until I tried to upgrade the container : All files in container have the 1000000 uid
Is /var/lib/incus/storage-pools/default/containers/hass/rootfs/var/log/journal a special directory ?
# ls -lah /var/lib/incus/storage-pools/default/containers/hass/rootfs/var/log/journal
total 83K
drwxr-sr-x+ 3 root systemd-journal 3 juil. 30 2020 .
drwxrwxr-x 8 root uuidd 78 août 23 00:00 ..
drwxr-sr-x+ 2 root systemd-journal 102 août 23 12:31 e0fc56ca5143463c99a1061654b1a7ae
# ls -lah /var/lib/incus/storage-pools/default/containers/hass/rootfs/var/log/ | grep journal
drwxr-sr-x+ 3 root systemd-journal 3 juil. 30 2020 journal