couchbase-cli cluster-wide collectinfo does not work in single node with localhost or 127.0.0.1

Install coucbase server 3.0.0-1053 on one ubuntu 12.04 node
Run cluster-wide collectinfo using localhost or 127.0.0.1
In both cases, output shows SUCCESS but it actually does not run at all

root@ubuntu:~# /opt/couchbase/bin/couchbase-cli collect-logs-start -c 192.168.171.148:8091 -u Administrator -p password --nodes="127.0.0.1:8091"
NODES:
SUCCESS: Log collection started
root@ubuntu:~# /opt/couchbase/bin/couchbase-cli collect-logs-start -c 192.168.171.148:8091 -u Administrator -p password --nodes="localhost:8091"
NODES:
SUCCESS: Log collection started