use printf for logging
use printf for logging

mitchellh/packer,ricardclau/packer,dave2/packer,timsutton/packer,paulmey/packer,grubernaut/packer,timsutton/packer,rnaveiras/packer,grubernaut/packer,rnaveiras/packer,hashicorp/packer,pecigonzalo/packer,pecigonzalo/packer,ricardclau/packer,ricardclau/packer,ricardclau/packer,dave2/packer,paulmey/packer,timsutton/packer,timsutton/packer,mitchellh/packer,grubernaut/packer,grubernaut/packer,paulmey/packer,mitchellh/packer,mitchellh/packer,ricardclau/packer,mitchellh/packer,dave2/packer,dave2/packer,rnaveiras/packer,pecigonzalo/packer,dave2/packer,grubernaut/packer,grubernaut/packer,ricardclau/packer,timsutton/packer,timsutton/packer,paulmey/packer,dave2/packer,hashicorp/packer,hashicorp/packer,hashicorp/packer,paulmey/packer,rnaveiras/packer,rnaveiras/packer,paulmey/packer,rnaveiras/packer,pecigonzalo/packer