diff --git a/reg-tests/connection/http_reuse_conn_hash.vtc b/reg-tests/connection/http_reuse_conn_hash.vtc
index f6c8765..991e86f 100644
--- a/reg-tests/connection/http_reuse_conn_hash.vtc
+++ b/reg-tests/connection/http_reuse_conn_hash.vtc
@@ -123,7 +123,17 @@
 	expect resp.http.http_first_request == "0"
 } -run
 
-## second request with same proxy protocol entry
+## second request with different proxy protocol
+# this have the nice effect to fill the server pool to 2 connection
+# (pool-low-conn value) to allow takeover on multi thread run
+client c_proxy -connect ${h1_feS_proxy_sock} -proxy1 "127.0.0.1:50000 ${h1_feS_proxy_addr}:${h1_feS_proxy_port}" {
+	txreq
+	rxresp
+	expect resp.status == 200
+	expect resp.http.http_first_request == "1"
+} -run
+
+## third request, reuse same proxy protocol entry
 client c_proxy -connect ${h1_feS_proxy_sock} -proxy1 "127.0.0.1:40000 ${h1_feS_proxy_addr}:${h1_feS_proxy_port}" {
 	txreq
 	rxresp
@@ -131,15 +141,15 @@
 	expect resp.http.http_first_request == "0"
 } -run
 
-## third request with different proxy protocol entry, no reuse
-client c_proxy -connect ${h1_feS_proxy_sock} -proxy1 "127.0.0.1:50000 ${h1_feS_proxy_addr}:${h1_feS_proxy_port}" {
+## fourth request with different proxy protocol entry, no reuse
+client c_proxy -connect ${h1_feS_proxy_sock} -proxy1 "127.0.0.1:60000 ${h1_feS_proxy_addr}:${h1_feS_proxy_port}" {
 	txreq
 	rxresp
 	expect resp.status == 200
 	expect resp.http.http_first_request == "1"
 } -run
 
-## fourth request, reuse proxy protocol
+## fifth request, reuse proxy protocol
 client c_proxy -connect ${h1_feS_proxy_sock} -proxy1 "127.0.0.1:50000 ${h1_feS_proxy_addr}:${h1_feS_proxy_port}" {
 	txreq
 	rxresp