- Unallowed label values will show up as "unexpected" in all system components metrics ([#128100](https://github.com/kubernetes/kubernetes/pull/128100), [@yongruilin](https://github.com/yongruilin)) [SIG Architecture and Instrumentation]

### Other (Cleanup or Flake)

09:42:15,2014-03-31 10:01:17,N,1,-73.950340270996094,40.792228698730469,-73.941970825195313,40.842235565185547,1,4.47,17.5,0,0.5,0,0,,,18,2,1,75,244,green,0.16,0.0,0.0,56,36,8.28,1267,168,1,Manhattan,016800,1016800,E,MN33,East Harlem South,3804,911,251,1,Manhattan,025100 invalid-badbarequote.csv header1,header2,header3 ok1,ok2,ok3 a "word","b" invalid-baddoubleq.csv header1,header2,header3 ok1,ok2,ok3 a""b,c invalid-badextraq.csv header1,header2,header3 ok1,ok2,ok3 "a word",b" invalid-badstartline.csv header1,header2,header3...