[lxc-users] Error launching first container

[Pierre Couderc]

lxd just installed by apt  on a freshly installed bionic, and after lxd 
init :

lxc launch ubuntu:16.04 my-ubuntu
Creating my-ubuntu
Error: Failed container creation: Get 
https://cloud-images.ubuntu.com/releases/streams/v1/index.json: lookup 
cloud-images.ubuntu.com on 127.0.0.53:53: server misbehaving

I have checked  that the URL 
https://cloud-images.ubuntu.com/releases/streams/v1/index.json: faiils 
(404) but not 
https://cloud-images.ubuntu.com/releases/streams/v1/index.json (witohut 
last :)

How fo I create my 1rst container ?