message: parameterize statsd address
diff: }],
  "admin": { "access_log_path": "/dev/null", "address": "tcp://{{ ip_loopback_address }}:0" },
  - "statsd_local_udp_port": 8125,
  + "statsd_udp_ip_address": "{{ ip_loopback_address }}:8125",
  "rate_limit_service": {
  "type": "grpc_service",
  