unit-gluster-88: 10:05:49 INFO unit.gluster/88.install error: no relation id specified
unit-gluster-88: 10:05:49 INFO unit.gluster/88.install Traceback (most recent call last):
unit-gluster-88: 10:05:49 INFO unit.gluster/88.install   File "/var/lib/juju/agents/unit-gluster-88/charm/hooks/install", line 19, in <module>
unit-gluster-88: 10:05:49 INFO unit.gluster/88.install     main()
unit-gluster-88: 10:05:49 INFO unit.gluster/88.install   File "/usr/local/lib/python3.5/dist-packages/charms/reactive/__init__.py", line 78, in main
unit-gluster-88: 10:05:49 INFO unit.gluster/88.install     bus.dispatch()
unit-gluster-88: 10:05:49 INFO unit.gluster/88.install   File "/usr/local/lib/python3.5/dist-packages/charms/reactive/bus.py", line 423, in dispatch
unit-gluster-88: 10:05:49 INFO unit.gluster/88.install     _invoke(other_handlers)
unit-gluster-88: 10:05:49 INFO unit.gluster/88.install   File "/usr/local/lib/python3.5/dist-packages/charms/reactive/bus.py", line 406, in _invoke
unit-gluster-88: 10:05:49 INFO unit.gluster/88.install     handler.invoke()
unit-gluster-88: 10:05:49 INFO unit.gluster/88.install   File "/usr/local/lib/python3.5/dist-packages/charms/reactive/bus.py", line 280, in invoke
unit-gluster-88: 10:05:49 INFO unit.gluster/88.install     self._action(*args)
unit-gluster-88: 10:05:49 INFO unit.gluster/88.install   File "/var/lib/juju/agents/unit-gluster-88/charm/reactive/main.py", line 203, in server_changed
unit-gluster-88: 10:05:49 INFO unit.gluster/88.install     probe_in_units(peers.value, related_units())
unit-gluster-88: 10:05:49 INFO unit.gluster/88.install   File "/usr/local/lib/python3.5/dist-packages/charmhelpers/core/hookenv.py", line 72, in wrapper
unit-gluster-88: 10:05:49 INFO unit.gluster/88.install     res = func(*args, **kwargs)
unit-gluster-88: 10:05:49 INFO unit.gluster/88.install   File "/usr/local/lib/python3.5/dist-packages/charmhelpers/core/hookenv.py", line 435, in related_units
unit-gluster-88: 10:05:49 INFO unit.gluster/88.install     subprocess.check_output(units_cmd_line).decode('UTF-8')) or []
unit-gluster-88: 10:05:49 INFO unit.gluster/88.install   File "/usr/lib/python3.5/subprocess.py", line 626, in check_output
unit-gluster-88: 10:05:49 INFO unit.gluster/88.install     **kwargs).stdout
unit-gluster-88: 10:05:49 INFO unit.gluster/88.install   File "/usr/lib/python3.5/subprocess.py", line 708, in run
unit-gluster-88: 10:05:49 INFO unit.gluster/88.install     output=stdout, stderr=stderr)
unit-gluster-88: 10:05:49 INFO unit.gluster/88.install subprocess.CalledProcessError: Command '['relation-list', '--format=json']' returned non-zero exit status 2