Get back to Ready/Ready
Try1:
1. run sudo nodectl leave -p dag-l1 ; sudo nodectl stop -p dag-l1 ; sudo nodectl leave -p dag-l0 ; sudo nodectl stop -p dag-l0
2. Shut down your VM from the cloud side. This way it really shuts down, clears out its memory file and the VM executable. Basically a power off if it were a physical machine.
3. Power back on and login
4. run sudo nodectl execute_starchiver --datetime -p dag-l0
5. Wait 5 minutes
6. sudo nodectl upgrade --ni
Explanation - We are basically stopping L1/L0 cleanly and then shutting down the node. Your nodes are processes on a Virtualization HyperVisor called KVM. If you reboot then that processes never goes away. If you power off you get a clean process and the memory file is normally recreated. After that you Starchiver it, wait 5 minutes and upgrade nodectl. Let me know how it goes as I'm trying to find that as close to perfect procedure.