MB-11568 show node ip in log collection Ui in a consistent way

Change-Id: I46ea3a25272b6b0c84707efa720ad224d05612ec
Reviewed-on: http://review.couchbase.org/39039
Tested-by: Artem Stemkovski <artem@couchbase.com>
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>