Comment 1 for bug 2033673

Adding steps taken to reproduce this:

$ juju deploy --to lxd:19 --config source=cloud:focal-yoga --channel stable --series focal ceph-radosgw rgw-az1
Located charm "ceph-radosgw" in charm-hub, revision 526
Deploying "rgw-az1" from charm-hub charm "ceph-radosgw", revision 526 in channel quincy/stable on focal

Model Controller Cloud/Region Version SLA Timestamp
vstack home-lab-default Home-Lab/default 2.9.37 unsupported 12:36:14-07:00

App Version Status Scale Charm Channel Rev Exposed Message
rgw-az1 17.2.6 active 1 ceph-radosgw quincy/stable 526 no Unit is ready

Unit Workload Agent Machine Public address Ports Message
rgw-az1/0* active idle 19/lxd/6 10.1.15.148 443/tcp Unit is ready

Machine State Address Inst id Series AZ Message
19 started 10.1.8.20 os-vm-10 focal default Deployed
19/lxd/6 started 10.1.15.148 juju-b096f0-19-lxd-6 focal default Container started

$ juju refresh rgw-az1
charm "ceph-radosgw": already up-to-date

$ juju refresh rgw-az1 --switch ch:ceph-radosgw --channel pacific/stable
Added charm-hub charm "ceph-radosgw", revision 553 in channel pacific/stable, to the model
Leaving endpoints in "alpha": admin, certificates, cluster, gateway, ha, identity-service, internal, master, mon, nrpe-external-master, object-store, public, radosgw-user, slave

$ juju deploy --to lxd:88 ceph-radosgw rgw-az2 --series jammy --channel quincy/stable
Located charm "ceph-radosgw" in charm-hub, revision 548
Deploying "rgw-az2" from charm-hub charm "ceph-radosgw", revision 548 in channel quincy/stable on jammy

$ juju status rgw-az1 rgw-az2
Model Controller Cloud/Region Version SLA Timestamp
vstack home-lab-default Home-Lab/default 2.9.37 unsupported 13:02:02-07:00

App Version Status Scale Charm Channel Rev Exposed Message
rgw-az1 17.2.6 active 1 ceph-radosgw quincy/stable 526 no Unit is ready
rgw-az2 17.2.6 active 1 ceph-radosgw quincy/stable 548 no Unit is ready

Unit Workload Agent Machine Public address Ports Message
rgw-az1/0* active idle 19/lxd/6 10.1.15.148 443/tcp Unit is ready
rgw-az2/1* active idle 89/lxd/0 10.1.15.202 443/tcp Unit is ready

Machine State Address Inst id Series AZ Message
19 started 10.1.8.20 os-vm-10 focal default Deployed
19/lxd/6 started 10.1.15.148 juju-b096f0-19-lxd-6 focal default Container started
89 started 10.1.8.73 ceph-vm-7 jammy default Deployed
89/lxd/0 started 10.1.15.202 juju-b096f0-89-lxd-0 jammy default Container started