This is also happening for me on 3.1/edge (so 3.1.3) for lxd-cloud and lxd. I'm unable to reproduce it on 3.1/stable (3.1.2).
From `juju debug-log` I get
```
controller-0: 18:27:49 ERROR juju.worker.remoterelations cmr error in remote relations worker for relation lxd-cloud-cell:https virtual-lxd:https: connection is shut down
controller-0: 18:27:49 ERROR juju.worker.remoterelations cmr error in relation units worker for lxd-cloud-cell:https virtual-lxd:https: connection is shut down
controller-0: 18:27:49 ERROR juju.worker.remoterelations cmr error in remote relations worker for relation lxd-cloud-cell:https virtual-lxd:https: connection is shut down
controller-0: 18:27:49 ERROR juju.worker.remoterelations cmr error in relation units worker for lxd-cloud-cell:https virtual-lxd:https: connection is shut down
controller-0: 18:27:49 ERROR juju.worker.remoterelations cmr error in remote application worker for virtual-lxd: handling change for relation "lxd-cloud-cell:https virtual-lxd:https": watching consumed secret changes: permission denied
```
This is also happening for me on 3.1/edge (so 3.1.3) for lxd-cloud and lxd. I'm unable to reproduce it on 3.1/stable (3.1.2).
From `juju debug-log` I get remoterelations cmr error in remote relations worker for relation lxd-cloud- cell:https virtual-lxd:https: connection is shut down remoterelations cmr error in relation units worker for lxd-cloud- cell:https virtual-lxd:https: connection is shut down remoterelations cmr error in remote relations worker for relation lxd-cloud- cell:https virtual-lxd:https: connection is shut down remoterelations cmr error in relation units worker for lxd-cloud- cell:https virtual-lxd:https: connection is shut down remoterelations cmr error in remote application worker for virtual-lxd: handling change for relation "lxd-cloud- cell:https virtual-lxd:https": watching consumed secret changes: permission denied
```
controller-0: 18:27:49 ERROR juju.worker.
controller-0: 18:27:49 ERROR juju.worker.
controller-0: 18:27:49 ERROR juju.worker.
controller-0: 18:27:49 ERROR juju.worker.
controller-0: 18:27:49 ERROR juju.worker.
```