DHT/Logging
Changed the log level of a message from none to debug as none does
not print a log level in the log file.

Change-Id: I463d1095d69bbd0036958282da13cb8e0226f34f
BUG: 1116797
Signed-off-by: Nithya Balachandran <nbalacha@redhat.com>
Reviewed-on: http://review.gluster.org/8253
Reviewed-by: Krutika Dhananjay <kdhananj@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>