add exponential backoff retry for stopping instance in amazon retry only if the error is instancenotfound
add exponential backoff retry for stopping instance in amazon
retry only if the error is instancenotfound

pvandervelde/packer,atlassian/packer,tb3088/packer,timsutton/packer,smaato/packer,zhuzhih2017/packer,taliesins/packer,rnaveiras/packer,paulmey/packer,youhong316/packer,paulmey/packer,grubernaut/packer,KohlsTechnology/packer,ricardclau/packer,tb3088/packer,mkuzmin/packer,tsmolka/packer,pieter-lazzaro/packer,markpeek/packer,hashicorp/packer,ricardclau/packer,zhuzhih2017/packer,sean-/packer,rnaveiras/packer,sean-/packer,sean-/packer,zhuzhih2017/packer,sean-/packer,hashicorp/packer,pieter-lazzaro/packer,pieter-lazzaro/packer,routelastresort/packer,pvandervelde/packer,arizvisa/packer,tas50/packer,pecigonzalo/packer,zhuzhih2017/packer,c22/packer,tb3088/packer,ChrisLundquist/packer,smaato/packer,pvandervelde/packer,smaato/packer,timsutton/packer,c22/packer,routelastresort/packer,ChrisLundquist/packer,jen20/packer,grubernaut/packer,grubernaut/packer,tsmolka/packer,pecigonzalo/packer,dave2/packer,pieter-lazzaro/packer,mkuzmin/packer,KohlsTechnology/packer,jen20/packer,dave2/packer,atlassian/packer,mkuzmin/packer,c22/packer,timsutton/packer,routelastresort/packer,youhong316/packer,p1-nico/packer,routelastresort/packer,pvandervelde/packer,pieter-lazzaro/packer,smaato/packer,arizvisa/packer,tsmolka/packer,rnaveiras/packer,markpeek/packer,dave2/packer,paulmey/packer,timsutton/packer,youhong316/packer,arizvisa/packer,atlassian/packer,arizvisa/packer,mitchellh/packer,ricardclau/packer,dave2/packer,paulmey/packer,p1-nico/packer,timsutton/packer,tb3088/packer,pvandervelde/packer,p1-nico/packer,tsmolka/packer,atlassian/packer,mitchellh/packer,zhuzhih2017/packer,tas50/packer,smaato/packer,bryson/packer,routelastresort/packer,pecigonzalo/packer,KohlsTechnology/packer,mitchellh/packer,taliesins/packer,ChrisLundquist/packer,tb3088/packer,tas50/packer,p1-nico/packer,p1-nico/packer,youhong316/packer,p1-nico/packer,taliesins/packer,tsmolka/packer,markpeek/packer,tas50/packer,paulmey/packer,pvandervelde/packer,zhuzhih2017/packer,bryson/packer,jen20/packer,ricardclau/packer,ricardclau/packer,KohlsTechnology/packer,dave2/packer,c22/packer,sean-/packer,paulmey/packer,mitchellh/packer,rnaveiras/packer,c22/packer,taliesins/packer,bryson/packer,sean-/packer,grubernaut/packer,hashicorp/packer,atlassian/packer,mkuzmin/packer,smaato/packer,jen20/packer,KohlsTechnology/packer,jen20/packer,markpeek/packer,tsmolka/packer,c22/packer,rnaveiras/packer,atlassian/packer,ricardclau/packer,ChrisLundquist/packer,tas50/packer,markpeek/packer,jen20/packer,youhong316/packer,mkuzmin/packer,pecigonzalo/packer,youhong316/packer,ChrisLundquist/packer,tas50/packer,taliesins/packer,pieter-lazzaro/packer,arizvisa/packer,grubernaut/packer,dave2/packer,arizvisa/packer,bryson/packer,bryson/packer,KohlsTechnology/packer,mitchellh/packer,hashicorp/packer,mkuzmin/packer,ChrisLundquist/packer,markpeek/packer,rnaveiras/packer,taliesins/packer,bryson/packer,timsutton/packer,grubernaut/packer,tb3088/packer