Synology DSM sensors showing unknown, no errors

I have the synology DSM sensors configured in my system, yet they always show as unknown,

My synology cameras are working fine, however the sensors with the same config just show unknown.

There are no errors in the log, no nothing.

sensor:
  - platform: synologydsm
    host: 192.168.0.170
    username: !secret syn_user
    password: !secret syn_pass
    monitored_conditions:
      - cpu_total_load
      - memory_real_usage
      - network_up

Have you tried adding

port: 5000
ssl: false

Nope, because my Synology only has HTTPS enabled and on port 5001.

My Synology Cameras work fine on this, however the DSM sensors although reporting no errors, show unknown all the time.