I just got a good deployer run with beta16:
$ juju-deployer -Wdv -c xenial-trunk-landscape-dense-maas.yaml -w 180
2016-08-31 10:23:35 [DEBUG] deployer.cli: Using runtime GoEnvironment on vmwarestack-controller:admin@local/controller
2016-08-31 10:23:35 [INFO] deployer.cli: Using deployment xenial-trunk-landscape-dense-maas.yaml
2016-08-31 10:23:35 [INFO] deployer.cli: Starting deployment of xenial-trunk-landscape-dense-maas.yaml
2016-08-31 10:23:35 [DEBUG] deployer.import: Getting charms...
2016-08-31 10:23:35 [DEBUG] deployer.charm: Cache dir /home/andreas/.local/share/juju/.deployer-store-cache/cs_trusty_haproxy
2016-08-31 10:23:35 [DEBUG] deployer.charm: Cache dir /home/andreas/.local/share/juju/.deployer-store-cache/cs_xenial_rabbitmq-server
2016-08-31 10:23:35 [DEBUG] deployer.charm: Cache dir /home/andreas/.local/share/juju/.deployer-store-cache/cs_xenial_postgresql
2016-08-31 10:23:35 [DEBUG] deployer.deploy: Resolving configuration
2016-08-31 10:23:35 [DEBUG] deployer.env: Connecting to environment...
2016-08-31 10:23:41 [DEBUG] deployer.env: Connected to environment
2016-08-31 10:23:41 [INFO] deployer.import: Creating machines...
2016-08-31 10:23:41 [INFO] deployer.import: Machine 0 already exists on environment, skipping creation
2016-08-31 10:23:41 [INFO] deployer.import: Deploying applications...
2016-08-31 10:23:42 [INFO] deployer.import:  Deploying application haproxy using cs:trusty/haproxy
2016-08-31 10:23:42 [DEBUG] deployer.import:  Refetching status for placement deploys
2016-08-31 10:23:54 [DEBUG] deployer.import:  Setting annotations
2016-08-31 10:23:54 [INFO] deployer.import:  Deploying application landscape-server using /home/andreas/bundles/mybundles/xenial/landscape-server
2016-08-31 10:23:54 [DEBUG] deployer.import:  Refetching status for placement deploys
2016-08-31 10:24:05 [DEBUG] deployer.import:  Setting annotations
2016-08-31 10:24:05 [INFO] deployer.import:  Deploying application postgresql using cs:xenial/postgresql
2016-08-31 10:24:05 [DEBUG] deployer.import:  Refetching status for placement deploys
2016-08-31 10:24:53 [DEBUG] deployer.import:  Setting annotations
2016-08-31 10:24:53 [INFO] deployer.import:  Deploying application rabbitmq-server using cs:xenial/rabbitmq-server
2016-08-31 10:24:53 [DEBUG] deployer.import:  Refetching status for placement deploys
2016-08-31 10:25:06 [DEBUG] deployer.import:  Setting annotations
2016-08-31 10:25:12 [DEBUG] deployer.import: Adding units...
2016-08-31 10:25:12 [DEBUG] deployer.import:  Application 'haproxy' does not need any more units added.
2016-08-31 10:25:12 [DEBUG] deployer.import:  Application 'landscape-server' does not need any more units added.
2016-08-31 10:25:12 [DEBUG] deployer.import:  Application 'postgresql' does not need any more units added.
2016-08-31 10:25:12 [DEBUG] deployer.import:  Application 'rabbitmq-server' does not need any more units added.
2016-08-31 10:25:12 [DEBUG] deployer.import: Waiting for units before adding relations
2016-08-31 10:29:27 [DEBUG] deployer.env:  Delta machine: 0/lxd/0 change:alive
...
2016-08-31 10:43:23 [DEBUG] deployer.env: Connecting to environment...
2016-08-31 10:43:29 [DEBUG] deployer.env: Connected to environment
2016-08-31 10:43:29 [INFO] deployer.import: Adding relations...
2016-08-31 10:43:29 [INFO] deployer.import:  Adding relation landscape-server <-> rabbitmq-server
2016-08-31 10:43:30 [INFO] deployer.import:  Adding relation landscape-server <-> haproxy
2016-08-31 10:43:30 [INFO] deployer.import:  Adding relation landscape-server:db <-> postgresql:db-admin
2016-08-31 10:43:30 [DEBUG] deployer.import: Waiting for relation convergence 180s
2016-08-31 10:46:33 [INFO] deployer.import:  Exposing application 'haproxy'
2016-08-31 10:46:34 [INFO] deployer.cli: Deployment complete in 1378.51 seconds

juju-deployer	0.9.0~bzr190~56~ubuntu16.04.1
python-jujuclient	0.53.1+bzr93+35~ubuntu16.04.1


Thanks!