Disabling MAAS proxy has no impact on this problem.
I am now moving to testing disabling the apt refresh and using the prevous method of postruncmds to remove /var/lib/apt/lists and manually update the cache. (apt update)
Disabling MAAS proxy has no impact on this problem.
I am now moving to testing disabling the apt refresh and using the prevous method of postruncmds to remove /var/lib/apt/lists and manually update the cache. (apt update)