diff --git a/include/dpdk_layer.h b/include/dpdk_layer.h
index fb648cdcc..f409cae20 100644
--- a/include/dpdk_layer.h
+++ b/include/dpdk_layer.h
@@ -33,7 +33,7 @@ extern "C" {
 // 40Gb/s with 1500B packets means ~9M packets/s
 // assuming 0.1s delay in processing means ~900k mbufs needed
 #ifdef ENABLE_PYTEST
-#define DP_MBUF_POOL_SIZE	(200*1024)
+#define DP_MBUF_POOL_SIZE	(50*1024)
 #else
 #define DP_MBUF_POOL_SIZE	(900*1024)
 #endif
diff --git a/test/dp_service.py b/test/dp_service.py
index cde4586b2..2e835ddc1 100755
--- a/test/dp_service.py
+++ b/test/dp_service.py
@@ -97,9 +97,9 @@ def init_ifaces(self, grpc_client):
 		grpc_client.addroute(vni2, "0.0.0.0/0", vni2, router_ul_ipv6)
 
 	def attach(self, grpc_client):
-		VM1.ul_ipv6 = grpc_client.getinterface(VM1.name)['underlayRoute']
-		VM2.ul_ipv6 = grpc_client.getinterface(VM2.name)['underlayRoute']
-		VM3.ul_ipv6 = grpc_client.getinterface(VM3.name)['underlayRoute']
+		VM1.ul_ipv6 = grpc_client.getinterface(VM1.name)['underlay_route']
+		VM2.ul_ipv6 = grpc_client.getinterface(VM2.name)['underlay_route']
+		VM3.ul_ipv6 = grpc_client.getinterface(VM3.name)['underlay_route']
 
 	def get_vm_tap(self, idx):
 		iface = f"tap{idx}"