BUG-1317 BUG-1351 Fix duplicate connections from netconf connector

Change-Id: I2c3135f3f84ef25f0005744c03003462c96812c1
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>
Merge "BUG-1317 BUG-1351 Fix duplicate connections from netconf connector"