$ juju bootstrap A lxd --build-agent
$ juju bootstrap B lxd --build-agent 
$ juju switch A:default
$ juju deploy git
$ juju run-action git/0 list-repos
$ JUJU_DEV_FEATURE_FLAGS=migration juju migrate A B
$ juju switch B:default
# If actions are migrated you should see the result here
$ juju show-action-output $ACTION_ID