Switch to dhcpcd

Should fix issue with not sending hostname which Azure needs.

This should be requesting all the dhcp features we currently use.

Signed-off-by: Justin Cormack <justin.cormack@docker.com>

alpine/packages/test/usr/bin/mobytest

@@ -2,6 +2,7 @@
 
 set -ex
 
+ifconfig
 docker info
 docker ps
 docker pull alpine