contrail-topology discovery connection failed if cfgm is different from collector node

[shajuvk]

coroot@b5s38:/var/log/contrail# contrail-status
== Contrail Control ==
supervisor-control: active
contrail-control active
contrail-control-nodemgr active
contrail-dns active
contrail-named active

== Contrail Analytics ==
supervisor-analytics: active
contrail-alarm-gen active
contrail-analytics-api active
contrail-analytics-nodemgr active
contrail-collector active
contrail-query-engine active
contrail-snmp-collector active
contrail-topology initializing (Discovery:Collector, Collector connection down)

------

[DEFAULTS]
#analytics_api=127.0.0.1:8081
#collectors=127.0.0.1:8086

#http_server_port=5921

log_local=1
log_level=SYS_NOTICE
log_file=/var/log/contrail/contrail-topology.log
zookeeper = 10.84.7.18:2181

#scan_frequency=60

#zookeeper=127.0.0.1:2181

[DISCOVERY]
disc_server_ip = 10.84.7.18

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/16537
Submitter: ted ghose (<email address hidden>)