[vdr] frontend-errors

["Koch, Steffen" <steffen.koch@sphinx-electronics.de>]

> > What does this mean:
> > Mar 10 19:01:20 video vdr[28434]: ERROR -1 in frontend get event
> > (channel 71, card 2)
> > Mar 10 19:01:41 video vdr[28434]: ERROR -1 in frontend get event
> > (channel 76, card 2)
> > ...
> There was an error getting events from the DVB frontend while tuning
> to a channel.
> This is issued in VDR/dvbapi.c, cDvbApi::SetChannel().

Is this critical?