diff --git a/engine/schema/src/main/java/com/cloud/network/dao/PhysicalNetworkTrafficTypeDaoImpl.java b/engine/schema/src/main/java/com/cloud/network/dao/PhysicalNetworkTrafficTypeDaoImpl.java
index 4811b59d31e5..6504bb1f3c8c 100644
--- a/engine/schema/src/main/java/com/cloud/network/dao/PhysicalNetworkTrafficTypeDaoImpl.java
+++ b/engine/schema/src/main/java/com/cloud/network/dao/PhysicalNetworkTrafficTypeDaoImpl.java
@@ -137,7 +137,9 @@ public String getNetworkTag(long physicalNetworkId, TrafficType trafficType, Hyp
         }
 
         sc.setParameters("physicalNetworkId", physicalNetworkId);
-        sc.setParameters("trafficType", trafficType);
+        if (trafficType != null) {
+            sc.setParameters("trafficType", trafficType);
+        }
         List<String> tag = customSearch(sc, null);
 
         return tag.size() == 0 ? null : tag.get(0);
diff --git a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/BridgeVifDriver.java b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/BridgeVifDriver.java
index 3b66529ccaf7..b4f7fbd6dac6 100644
--- a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/BridgeVifDriver.java
+++ b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/BridgeVifDriver.java
@@ -232,7 +232,7 @@ public LibvirtVMDef.InterfaceDef plug(NicTO nic, String guestOsType, String nicA
                         String brName = createVnetBr(vNetId, trafficLabel, protocol);
                         intf.defBridgeNet(brName, null, nic.getMac(), getGuestNicModel(guestOsType, nicAdapter), networkRateKBps);
                     } else {
-                        String brName = createVnetBr(vNetId, _bridges.get("private"), protocol);
+                        String brName = createVnetBr(vNetId, _bridges.get("guest"), protocol);
                         intf.defBridgeNet(brName, null, nic.getMac(), getGuestNicModel(guestOsType, nicAdapter), networkRateKBps);
                     }
             } else {
diff --git a/server/src/main/java/com/cloud/network/NetworkModelImpl.java b/server/src/main/java/com/cloud/network/NetworkModelImpl.java
index ed78be50644e..50d51813a24a 100644
--- a/server/src/main/java/com/cloud/network/NetworkModelImpl.java
+++ b/server/src/main/java/com/cloud/network/NetworkModelImpl.java
@@ -1430,11 +1430,11 @@ public String getNetworkTag(HypervisorType hType, Network network) {
             return null;
         }
 
+        NetworkOffering offering = _entityMgr.findById(NetworkOffering.class, network.getNetworkOfferingId());
         Long physicalNetworkId = null;
         if (effectiveTrafficType != TrafficType.Guest) {
             physicalNetworkId = getNonGuestNetworkPhysicalNetworkId(network, effectiveTrafficType);
         } else {
-            NetworkOffering offering = _entityMgr.findById(NetworkOffering.class, network.getNetworkOfferingId());
             physicalNetworkId = network.getPhysicalNetworkId();
             if (physicalNetworkId == null) {
                 physicalNetworkId = findPhysicalNetworkId(network.getDataCenterId(), offering.getTags(), offering.getTrafficType());
@@ -1447,6 +1447,10 @@ public String getNetworkTag(HypervisorType hType, Network network) {
             return null;
         }
 
+        if (offering != null && TrafficType.Guest.equals(offering.getTrafficType()) && offering.isSystemOnly()) {
+            // For private gateway, do not check the Guest traffic type
+            return _pNTrafficTypeDao.getNetworkTag(physicalNetworkId, null, hType);
+        }
         return _pNTrafficTypeDao.getNetworkTag(physicalNetworkId, effectiveTrafficType, hType);
     }