diff --git a/tests/common/dualtor/data_plane_utils.py b/tests/common/dualtor/data_plane_utils.py
index 1f7b00371b4..a0eb8c296f7 100644
--- a/tests/common/dualtor/data_plane_utils.py
+++ b/tests/common/dualtor/data_plane_utils.py
@@ -213,6 +213,9 @@ def cleanup(ptfadapter, duthosts_list):
     ptfadapter.dataplane.flush()
     for duthost in duthosts_list:
         logger.info('Clearing arp entries on DUT  {}'.format(duthost.hostname))
+        # add show arp and neighbor check here to help debug
+        duthost.shell('show arp')
+        duthost.shell('dualtor_neighbor_check.py -o STDOUT')
         duthost.shell('sonic-clear arp')
 
 
diff --git a/tests/common/dualtor/dual_tor_io.py b/tests/common/dualtor/dual_tor_io.py
index 978c53aa8a8..cf59b5694e9 100644
--- a/tests/common/dualtor/dual_tor_io.py
+++ b/tests/common/dualtor/dual_tor_io.py
@@ -220,7 +220,7 @@ def __configure_arp_responder(self):
             arp_responder_conf['eth{}'.format(intf)] = [ip]
         with open("/tmp/from_t1.json", "w") as fp:
             json.dump(arp_responder_conf, fp, indent=4, sort_keys=True)
-        self.ptfhost.copy(src="/tmp/from_t1.json", dest="/tmp/from_t1.json")
+        self.ptfhost.copy(src="/tmp/from_t1.json", dest="/tmp/from_t1.json", force=True)
         self.ptfhost.shell("supervisorctl reread && supervisorctl update")
         self.ptfhost.shell("supervisorctl restart arp_responder")
         logger.info("arp_responder restarted")