I tried to investigate the problem with long boot for several days. Even
tried to reinstall system.
Only after enabling debug logs in systemd I found out that it was
`/usr/lib/systemd/system-generators/netplan`. systemd-analyze told it
was NetworkManager.
So I removed link
Public bug reported:
Application crashes with the following stacktrace:
Error in sys.excepthook:
Traceback (most recent call last):
File
/tmp/ubuntu-release-upgrader-6agiri/DistUpgrade/DistUpgradeViewText.py, line
107, in _handleException
\n.join(lines))
File
