Don't fetch metrics from a node that we have not yet been able to reach.
Don't fetch metrics from a node that we have not yet been able to reach.

aegixx/heapster,mwringe/heapster,shilpamayanna/heapster,piosz/heapster,AlmogBaku/heapster,taimir/heapster,burmanm/heapster,johanneswuerbach/heapster,luxas/heapster,liubog2008/heapster,adfin/statster,whuwxl/heapster,andyxning/heapster,jackzampolin/heapster,huangyuqi/heapster,mwringe/heapster,saiwl/heapster,bruceauyeung/heapster,bruceauyeung/heapster,adfin/statster,titilambert/heapster,krzyzacy/heapster,piosz/heapster,johanneswuerbach/heapster,liubog2008/heapster,huangyuqi/heapster,burmanm/heapster,jackzampolin/heapster,Stackdriver/heapster,krzyzacy/heapster,bluebreezecf/heapster,whuwxl/heapster,Stackdriver/heapster,titilambert/heapster,saiwl/heapster,andyxning/heapster,taimir/heapster,AlmogBaku/heapster,shilpamayanna/heapster,luxas/heapster,bluebreezecf/heapster,aegixx/heapster