Sporadic Write error to InfluxDB

Hi!
I have used Hassbian on a Raspberry PI 3 together with InfluxDB for some months now. When going through the log I found this entry recurringly. It seems that writing data works sometimes, but not always. Any ideas on what might be the problem?

>     2019-01-15 17:32:38 DEBUG (InfluxDB) [homeassistant.components.influxdb] Wrote 1 events
> 2019-01-15 17:33:46 ERROR (InfluxDB) [homeassistant.components.influxdb] Write error
> Traceback (most recent call last):
>   File "/srv/homeassistant/lib/python3.5/site-packages/urllib3/connectionpool.py", line 384, in _make_request
>     six.raise_from(e, None)
>   File "<string>", line 2, in raise_from
>   File "/srv/homeassistant/lib/python3.5/site-packages/urllib3/connectionpool.py", line 380, in _make_request
>     httplib_response = conn.getresponse()
>   File "/usr/lib/python3.5/http/client.py", line 1198, in getresponse
>     response.begin()
>   File "/usr/lib/python3.5/http/client.py", line 297, in begin
>     version, status, reason = self._read_status()
>   File "/usr/lib/python3.5/http/client.py", line 258, in _read_status
>     line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1")
>   File "/usr/lib/python3.5/socket.py", line 576, in readinto
>     return self._sock.recv_into(b)
> socket.timeout: timed out
> 
> During handling of the above exception, another exception occurred:
> 
> Traceback (most recent call last):
>   File "/srv/homeassistant/lib/python3.5/site-packages/requests/adapters.py", line 449, in send
>     timeout=timeout
>   File "/srv/homeassistant/lib/python3.5/site-packages/urllib3/connectionpool.py", line 638, in urlopen
>     _stacktrace=sys.exc_info()[2])
>   File "/srv/homeassistant/lib/python3.5/site-packages/urllib3/util/retry.py", line 367, in increment
>     raise six.reraise(type(error), error, _stacktrace)
>   File "/srv/homeassistant/lib/python3.5/site-packages/urllib3/packages/six.py", line 686, in reraise
>     raise value
>   File "/srv/homeassistant/lib/python3.5/site-packages/urllib3/connectionpool.py", line 600, in urlopen
>     chunked=chunked)
>   File "/srv/homeassistant/lib/python3.5/site-packages/urllib3/connectionpool.py", line 386, in _make_request
>     self._raise_timeout(err=e, url=url, timeout_value=read_timeout)
>   File "/srv/homeassistant/lib/python3.5/site-packages/urllib3/connectionpool.py", line 306, in _raise_timeout
>     raise ReadTimeoutError(self, url, "Read timed out. (read timeout=%s)" % timeout_value)
> urllib3.exceptions.ReadTimeoutError: HTTPConnectionPool(host='localhost', port=8086): Read timed out. (read timeout=5)
> 
> During handling of the above exception, another exception occurred:
> 
> Traceback (most recent call last):
>   File "/srv/homeassistant/lib/python3.5/site-packages/homeassistant/components/influxdb.py", line 316, in write_to_influxdb
>     self.influx.write_points(json)
>   File "/srv/homeassistant/lib/python3.5/site-packages/influxdb/client.py", line 490, in write_points
>     tags=tags, protocol=protocol)
>   File "/srv/homeassistant/lib/python3.5/site-packages/influxdb/client.py", line 551, in _write_points
>     protocol=protocol
>   File "/srv/homeassistant/lib/python3.5/site-packages/influxdb/client.py", line 327, in write
>     headers=headers
>   File "/srv/homeassistant/lib/python3.5/site-packages/influxdb/client.py", line 267, in request
>     timeout=self._timeout
>   File "/srv/homeassistant/lib/python3.5/site-packages/requests/sessions.py", line 533, in request
>     resp = self.send(prep, **send_kwargs)
>   File "/srv/homeassistant/lib/python3.5/site-packages/requests/sessions.py", line 646, in send
>     r = adapter.send(request, **kwargs)
>   File "/srv/homeassistant/lib/python3.5/site-packages/requests/adapters.py", line 529, in send
>     raise ReadTimeout(e, request=request)
> requests.exceptions.ReadTimeout: HTTPConnectionPool(host='localhost', port=8086): Read timed out. (read timeout=5)
> 2019-01-15 17:34:16 ERROR (InfluxDB) [homeassistant.components.influxdb] Resumed, lost 3 events
> 2019-01-15 17:34:16 DEBUG (InfluxDB) [homeassistant.components.influxdb] Wrote 1 events