Issue with buienradar sensor

Since I’ve added the rflink gateway I have issues with the buienradar sensor. The config is valid, i’ve checked from the OS I can reacht the urls’s (using curl) but I get a lot of these:

2018-07-20 12:53:34 DEBUG (MainThread) [homeassistant.components.sensor.buienradar] Calling url: http://xml.buienradar.nl

2018-07-20 12:53:44 DEBUG (MainThread) [homeassistant.components.sensor.buienradar] Calling url: http://api.buienradar.nl

2018-07-20 12:53:54 WARNING (MainThread) [homeassistant.components.sensor.buienradar] Unable to retrieve xml data from Buienradar.(Msg: , status: None,)
2018-07-20 12:53:54 DEBUG (MainThread) [homeassistant.components.sensor.buienradar] Scheduling next update in 2 minutes.
2018-07-20 12:53:54 WARNING (MainThread) [homeassistant.components.sensor.buienradar] Unable to retrieve xml data from Buienradar.(Msg: , status: None,)
2018-07-20 12:53:54 DEBUG (MainThread) [homeassistant.components.sensor.buienradar] Scheduling next update in 2 minutes.
2018-07-20 12:53:54 WARNING (MainThread) [homeassistant.components.sensor.buienradar] Unable to retrieve xml data from Buienradar.(Msg: , status: None,)
2018-07-20 12:53:54 DEBUG (MainThread) [homeassistant.components.sensor.buienradar] Scheduling next update in 2 minutes.

and the values show as unknown. Also bootup takes ages.

running on hasbian, latest version HA.

config partial:

sensor:

  • platform: buienradar
    name: ‘Berkhout’
    latitude: 52.65
    longitude: 4.98
    timeframe: 30
    monitored_conditions:
    • symbol
    • humidity
    • temperature
    • windspeed
    • conditiondetailed
    • condition
    • conditioncode
    • visibility
    • irradiance
    • windazimuth
    • precipitation_forecast_total
  • platform: buienradar
    name: ‘de Bilt’
    latitude: 52.10
    longitude: 5.18
    monitored_conditions:
    • symbol
  • platform: buienradar
    name: ‘Schiphol’
    latitude: 52.30
    longitude: 4.77
    monitored_conditions:
    • symbol
    • pressure

I’ve narrowed it down to ipv6 issues. which is weird, as my pc is working fine on ipv6 and the raspberry can’t even ping on ipv6 although it has valid ipv6 addres and gateway…