…which has been fixed by @MarcelIT but seem the fix was never acknowledged, as it persists in p17. Unluckily, changes in misc.py do not survive the container restart, so i can’t test that one.
Btw. all the data needed is saved in “~/tmp/check_mk/data_source_cache/special_proxmox_ve”, so it is not a problem of the API or its response, but parsing that one.