core: Netgear error

Home Assistant release with the issue: 0.81.0b2 Last working Home Assistant release (if known): 0.79.3 Operating environment (Hass.io/Docker/Windows/etc.): Hass.io Component/platform: Netgear Description of problem: Every hour I get the following error.

2018-10-26 07:52:54 ERROR (MainThread) [homeassistant.components.updater] Got unexpected response: None
2018-10-26 07:52:56 WARNING (SyncWorker_4) [pynetgear] Unauthorized response, let's login and retry...
2018-10-26 07:52:56 ERROR (SyncWorker_4) [pynetgear] Invalid response
2018-10-26 07:52:56 ERROR (SyncWorker_4) [pynetgear] Get attached devices failed
2018-10-26 07:52:56 WARNING (SyncWorker_4) [homeassistant.components.device_tracker.netgear] Error scanning devices

Problem-relevant configuration.yaml

device_tracker:
  - platform: netgear
    host: 192.168.0.1
    username: admin
    password: password
    track_new_devices: false
    interval_seconds: 10
    consider_home: 0:02

Additional information: This error appears every one hour on the dot.