Nevermind - my trust level seems to have been automatically upgraded by the system, so I could create the topic myself now. 
Here it is, for reference: Ubuntu 22.04 and 20.04 containers stuck in "System is booting" up state
Nevermind - my trust level seems to have been automatically upgraded by the system, so I could create the topic myself now. Here it is, for reference: Ubuntu 22.04 and 20.04 containers stuck in "System is booting" up state