Juju agent version 2.3.4 MAAS version: 2.3.1 (6470-g036d646-0ubuntu1~16.04.1
I seem to be experiencing the symptoms akin to the ones here.
With MAAS nodes in 'Ready' state, adding a machine
#juju add-machine lxd
picks one of them, deploys Ubuntu, but then fails to start lxd container
Machine State DNS Inst id Series AZ Message 0 started 22.214.171.124 wpdf6g xenial default Deployed 0/lxd/0 down pending xenial failed to start machine 0/lxd/0 (can't get info for image 'juju/xenial/amd64': not found), retrying in 10s (6 more attempts)
machine-0: 20:13:48 WARNING juju.provisioner failed to start machine 0/lxd/0 (can't get info for image 'juju/xenial/amd64': not found), retrying in 10s (2 more attempts) machine-0: 20:13:59 WARNING juju.provisioner incomplete DNS config found, discovering host's DNS config
incomplete DNS config foundindicative of anything here ?