logging enhancement at dhcp_thread

Change-Id: I2bccc3f0b10e6bc456da666be5488989c48758bf
Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>
diff --git a/ovim.py b/ovim.py
index a1eaffa..b369594 100755
--- a/ovim.py
+++ b/ovim.py
@@ -227,7 +227,8 @@
         dhcp_params = self.config.get("dhcp_server")
         if dhcp_params:
             thread = dt.dhcp_thread(dhcp_params=dhcp_params, test=host_test_mode, dhcp_nets=self.config["dhcp_nets"],
-                                    db=self.db_of, db_lock=self.db_lock, debug=self.config['log_level_of'])
+                                    db=self.db_of, db_lock=self.db_lock, logger_name=self.logger_name + ".dhcp",
+                                    debug=self.config.get('log_level_of'))
             thread.start()
             self.config['dhcp_thread'] = thread