ref: dbf165e1bdcc65d94ed9c0d70e5d24df5ad4fc8f
parent: 6031dd83b632651013a7e7e707632ebabb68367f
author: cinap_lenrek <cinap_lenrek@felloff.net>
date: Tue Aug 26 17:07:59 EDT 2014
ping: don't spin when we get error reading icmp connection, print error and sleep