Promote an INFO message to ERROR.
Promote an INFO message to ERROR.

This should really never happen, so log it at the ERROR level when it
does, instead of INFO.

Change-Id: Ibd0131f80e1395acd4f83aeddaafe19f61ce1e5b

alienth/opentsdb,OpenTSDB/opentsdb,andyflury/opentsdb,ShefronYudy/opentsdb,andyflury/opentsdb,kidaa/opentsdb,OpenTSDB/opentsdb,johann8384/opentsdb,MadDogTechnology/opentsdb,alienth/opentsdb,MadDogTechnology/opentsdb,johann8384/opentsdb,ShefronYudy/opentsdb,sidhhu/opentsdb,MadDogTechnology/opentsdb,eswdd/opentsdb,OpenTSDB/opentsdb,kidaa/opentsdb,eswdd/opentsdb,sidhhu/opentsdb