diff --git a/compute/src/main/java/org/zstack/compute/vm/VmNicManagerImpl.java b/compute/src/main/java/org/zstack/compute/vm/VmNicManagerImpl.java
index 4a2ddd2a8b..5effcf3d7d 100644
--- a/compute/src/main/java/org/zstack/compute/vm/VmNicManagerImpl.java
+++ b/compute/src/main/java/org/zstack/compute/vm/VmNicManagerImpl.java
@@ -299,7 +299,8 @@ public VmNicType getVmNicType(String vmUuid, L3NetworkInventory l3nw) {
         boolean enableDpdkVhostuser = Q.New(SystemTagVO.class)
                 .eq(SystemTagVO_.resourceType, VmInstanceVO.class.getSimpleName())
                 .eq(SystemTagVO_.resourceUuid, vmUuid)
-                .eq(SystemTagVO_.tag, String.format("enableDpdkVhostuser::%s", l3nw.getUuid()))
+                .eq(SystemTagVO_.tag, VmSystemTags.ENABLE_DPDK_VHOSTUSER.instantiateTag(
+                        Collections.singletonMap(VmSystemTags.ENABLE_DPDK_VHOSTUSER_L3_UUID_TOKEN, l3nw.getUuid())))
                 .isExists();
 
         VmNicType.VmNicSubType subType = VmNicType.VmNicSubType.NONE;
diff --git a/compute/src/main/java/org/zstack/compute/vm/VmSystemTags.java b/compute/src/main/java/org/zstack/compute/vm/VmSystemTags.java
index 98f973b325..5fd7ecf9d3 100755
--- a/compute/src/main/java/org/zstack/compute/vm/VmSystemTags.java
+++ b/compute/src/main/java/org/zstack/compute/vm/VmSystemTags.java
@@ -324,4 +324,8 @@ public String desensitizeTag(SystemTag systemTag, String tag) {
     public static String IFACE_ID_TOKEN = "ifaceId";
     public static PatternedSystemTag IFACE_ID = new PatternedSystemTag(
             String.format("ifaceId::{%s}", IFACE_ID_TOKEN), VmNicVO.class);
+
+    public static String ENABLE_DPDK_VHOSTUSER_L3_UUID_TOKEN = "l3NetworkUuid";
+    public static PatternedSystemTag ENABLE_DPDK_VHOSTUSER = new PatternedSystemTag(
+            String.format("enableDpdkVhostuser::{%s}", ENABLE_DPDK_VHOSTUSER_L3_UUID_TOKEN), VmInstanceVO.class);
 }