Comment 5 for bug 1576674

Yes, it does work after specifying the --proxy (juju ssh 1/lxd/0 doesn't do anything):

jenkins@s9-lmic-trusty:~/nexenta/builds/3$ juju ssh --proxy 1/lxd/0
Warning: Permanently added '10.244.192.187' (ECDSA) to the list of known hosts.
Warning: Permanently added '10.244.192.219' (ECDSA) to the list of known hosts.
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ubuntu@juju-machine-1-lxd-0:~$