At some stage a lxd instance was created where the cert was put in a deeply nested directory structure.
The controller name was "target", and the model name was "to-move". Obviously there is something wrong in the determination of the path.
Also filing against lxd as it will not delete the container.
$ lxc delete juju-c0518c0b-97b5-47ab-8c1b-541906fb2c73-machine-0
error: Error cleaning up /var/lib/lxd/containers/juju-c0518c0b-97b5-47ab-8c1b-541906fb2c73-machine-0: lstat /var/lib/lxd/containers/juju-c0518c0b-97b5-47ab-8c1b-541906fb2c73-machine-0/rootfs/.config/lxc/juju-target/juju-to-move/juju-to-move/juju-target/juju-target/juju-to-move/juju-to-move/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-target/juju-to-move/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-to-move/juju-target/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-target/juju-to-move/juju-to-move/juju-target/juju-to-move/juju-to-move/juju-target/juju-target/juju-target/juju-target/juju-to-move/juju-to-move/juju-to-move/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-target/juju-to-move/juju-to-move/juju-to-move/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-to-move/juju-to-move/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-to-move/juju-target/juju-to-move/juju-target/juju-target/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-to-move/juju-target/juju-to-move/juju-target/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-to-move/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-target/juju-to-move/client.crt: file name too long
lxd bug here: https:/ /github. com/lxc/ lxd/issues/ 1781