It appears that the file:
'/usr/share/gocode/src/github.com/juju/loggo/formatter_test.go'
Is provided by both 'golang-github-juju-loggo-dev' and
'golang-juju-loggo-dev' [1].
A simple test case is:
lxc launch ubuntu-daily:zesty z
lxc exec z bash
apt update
apt install
>From log (translated as best as I could find):
dpkg: Error while processing the archive:
/tmp/apt-dpkg-install-dKWy7w/643-golang-juju-loggo-dev_0.0~git20150318-0ubuntu1_all.deb
(--unpack):
a(z) „/usr/share/gocode/src/github.com/juju/loggo/formatter_test.go” Override
attempt to
a(z)