FYI: on Proxmox 5 and ubuntu18.4 netplan to replace by ifupdown for network to work?

[mfgamma]

Hi

just for your info , I have observed the following. May be someone could tell the root cause

On Proxmox 5, I upgrade a container from Ubuntu 16.4 to 18.4. The when I create a new container by a pct restore of a backup of the upgraded one .

On this new container Network interfaces are "unstable" even if on the GUI I delete the network and create a new one with new parameters, after a while the "old ones" are back

I found a workaround by installing ifupdown which desactivate netplan, then network works as normal

 

[Dominic]

Thank you for sharing this trick! You could mark your post as "Tutorial" by editing it and adding a prefix in front of the thread title.