*** Help needed *** influxdb unaccessible Bad Gateway 502

I notice that influxdb is unaccessible:

The add-on is started:

When I check the log it appears all fine:

Despite the above, I won’t get access to influxdb.

Memo: HA is running in a VM on Proxmox.
Probably unrelated but who knows: I have installed a seperate influxdb LXC the other day. Clearly on a seperate ip than HA but running on the same proxmox server.