[Bug 1983197] Re: syslog flooded with "Error do-add-ip6-address" "faiilure 95" despite sysctl disabled ipv6

[James Paton-Smith]

I just noticed this exact same error on my own machine starting 21/11/2022
Many many log entries identical for this are constantly generated.

I checked to see what was most recently updated/installed and I've
copied the apt history entry below:

Start-Date: 2022-11-18  15:52:59
Commandline: apt full-upgrade
Requested-By: jamesps (8046)
Upgrade: openvpn:amd64 (2.5.5-1ubuntu3, 2.5.5-1ubuntu3.1), libgdk-pixbuf2.0-bin:amd64 (2.42.8+dfsg-1ubuntu0.1, 2.42.8+dfsg-1ubuntu0.2), gir1.2-gdkpixbuf-2.0:amd64 (2.42.8+dfsg-1ubuntu0.1, 2.42.8+dfsg-1ubuntu0.2), gir1.2-gnomedesktop-3.0:amd64 (42.4-0ubuntu1, 42.5-0ubuntu1), libgdk-pixbuf-2.0-0:amd64 (2.42.8+dfsg-1ubuntu0.1, 2.42.8+dfsg-1ubuntu0.2), fonts-opensymbol:amd64 (2:102.12+LibO7.3.6-0ubuntu0.22.04.2, 2:102.12+LibO7.3.7-0ubuntu0.22.04.1), grub-efi-amd64:amd64 (2.06-2ubuntu7, 2.06-2ubuntu10), libgnome-desktop-3-19:amd64 (42.4-0ubuntu1, 42.5-0ubuntu1), gnome-desktop3-data:amd64 (42.4-0ubuntu1, 42.5-0ubuntu1), grub-efi-amd64-signed:amd64 (1.180+2.06-2ubuntu7, 1.182~22.04.1+2.06-2ubuntu10), grub-efi-amd64-bin:amd64 (2.06-2ubuntu7, 2.06-2ubuntu10), netplan.io:amd64 (0.104-0ubuntu2.1, 0.105-0ubuntu2~22.04.1), libnetplan0:amd64 (0.104-0ubuntu2.1, 0.105-0ubuntu2~22.04.1), libgdk-pixbuf2.0-common:amd64 (2.42.8+dfsg-1ubuntu0.1, 2.42.8+dfsg-1ubuntu0.2)
End-Date: 2022-11-18  15:53:12

Maybe netplan.io could have caused this?

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Title:
  syslog flooded with "Error do-add-ip6-address" "faiilure 95" despite
  sysctl disabled ipv6

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