gnocchi statsd should be able to send data to port 8125
gnocchi statsd should be able to send data to port 8125

currently udp port 8125 is blocked by default. This can cause issues
when sending statsd data.

Closes-bug: #1638903

Change-Id: Icb5569c4e3dc981e9a8accf32eedd3370552cb34
(cherry picked from commit 204ebf8233f00de23e96192fdf09480d87ffa90c)

trozet/opnfv-tht,trozet/opnfv-tht,trozet/opnfv-tht