"ERROR not found" unhelpful error message

[Heather Lanigan]

heather@ubuntu:~$ /snap/bin/juju version
2.4-beta1-artful-amd64
heather@ubuntu:~$ /snap/bin/juju bootstrap localhost broken --debug
14:09:27 INFO juju.cmd supercommand.go:56 running juju [2.4-beta1 gc go1.9.2]
14:09:27 DEBUG juju.cmd supercommand.go:57 args: []string{"/snap/juju/3261/bin/juju", "bootstrap", "localhost", "broken", "--debug"}
14:09:27 DEBUG juju.tools.lxdclient client.go:230 connecting to LXD remote "local": "unix:///var/snap/lxd/common/lxd/unix.socket"
14:09:27 INFO juju.tools.lxdclient client.go:284 using LXD API version "1.0"
ERROR not found
14:09:27 DEBUG cmd supercommand.go:459 error stack:
not found
github.com/juju/juju/tools/lxdclient/client.go:165:
github.com/juju/juju/provider/lxd/environ_raw.go:97:
github.com/juju/juju/provider/lxd/provider.go:157:
github.com/juju/juju/provider/lxd/provider.go:144:
github.com/juju/juju/cmd/juju/commands/bootstrap.go:704:
github.com/juju/juju/cmd/juju/commands/bootstrap.go:384:

LXD is unhappy after a refreshed snap yesterday, so bootstrap is failing. But the error message is not helpful at all.

[Heather Lanigan (hmlanigan)]

https://github.com/juju/juju/pull/8320

[Heather Lanigan (hmlanigan)]

heather@ubuntu:~$ juju bootstrap localhost lxd-juju-fix
ERROR LXD lxdbr0 network config: not found