autohostname: do not use curl --fail for route53 request
autohostname: do not use curl --fail for route53 request

This prevents error messages from showing up in the log.

4z3/microgram,4z3/microgram,phunehehe/microgram,zalora/microgram,phunehehe/microgram,zalora/microgram,zalora/microgram,phunehehe/microgram,4z3/microgram,zalora/microgram,4z3/microgram,phunehehe/microgram