Fix error message
Fix error message

Fauled -> Failed

Signed-off-by: Aaron Lehmann <8ecfc6017a87905413dcd7d63696a2a4c351b604@docker.com>

alyyousuf7/swarmkit,dperny/swarmkit-1,diogomonica/swarmkit,alyyousuf7/swarmkit,deljuven/swarmkit,allencloud/swarmkit,yp-engineering/swarmkit,yongtang/swarmkit,diogomonica/swarmkit,sungwonh/swarmkit,aaronlehmann/swarmkit,docker/swarmkit,elifa/swarmkit,AliyunContainerService/swarmkit,fate-grand-order/swarmkit,vasil-yordanov/swarmkit,yongtang/swarmkit,docker/swarmkit,elifa/swarmkit,jlhawn/swarmkit,Noyan759/swarmkit,cheyang/swarmkit,cheyang/swarmkit,aaronlehmann/swarmkit,yp-engineering/swarmkit,jlhawn/swarmkit,cezarsa/swarmkit,cezarsa/swarmkit,vasil-yordanov/swarmkit,RenaudWasTaken/swarmkit,sungwonh/swarmkit,Noyan759/swarmkit,AliyunContainerService/swarmkit,fate-grand-order/swarmkit,allencloud/swarmkit,RenaudWasTaken/swarmkit,deljuven/swarmkit,dperny/swarmkit-1