diff --git a/test_plans/cvl_qinq_test_plan.rst b/test_plans/cvl_qinq_test_plan.rst
index 4f44150b..22efd705 100644
--- a/test_plans/cvl_qinq_test_plan.rst
+++ b/test_plans/cvl_qinq_test_plan.rst
@@ -71,9 +71,9 @@ Prerequisites
     0000:18:00.0 'Device 159b' if=ens785f0 drv=ice unused=vfio-pci
     0000:18:00.1 'Device 159b' if=ens785f1 drv=ice unused=vfio-pci
 
-6. Enable vlan prune flag::
+6. Disable vlan prune flag::
 
-    ethtool --set-priv-flags ens785f0 vf-vlan-prune-disable on
+    ethtool --set-priv-flags ens785f0 vf-vlan-pruning off
 
 7. Generate 4 VFs on PF0(not all the VFs are used)::
 
@@ -130,7 +130,7 @@ Prerequisites
 13. For AVF QinQ test cases(10-14), recreate Generate 1 VFs on PF0, reconfig the VF then launch testpmd::
 
      echo 0 > /sys/bus/pci/devices/0000:18:00.0/sriov_numvfs
-     ethtool --set-priv-flags ens785f0 vf-vlan-prune-disable off
+     ethtool --set-priv-flags ens785f0 vf-vlan-pruning on
      echo 1 > /sys/bus/pci/devices/0000:18:00.0/sriov_numvfs
      ip link set ens785f0 vf 0 mac 00:11:22:33:44:11
      ip link set dev ens785f0 vf 0 spoofchk off
@@ -906,9 +906,9 @@ Test case 08: vlan insertion when pvid enable
 Test case 09: vlan filter when pvid enable
 ==========================================
 
-1. reset test environment, create vfs and disable vlan prune flag::
+1. reset test environment, create vfs and enable vlan prune flag::
 
-    ethtool --set-priv-flags ens785f0 vf-vlan-prune-disable off
+    ethtool --set-priv-flags ens785f0 vf-vlan-pruning on
 
 2. repeat Prerequisites steps from 7 to 12
 
@@ -1113,10 +1113,10 @@ Test case 11: Enable/Disable IAVF VLAN header stripping
 Test case 12: Enable/Disable IAVF VLAN header insertion
 =======================================================
 
-1. enable vf-vlan-prune-disable flag::
+1. disable vf-vlan-pruning flag::
 
     echo 0 > /sys/bus/pci/devices/0000:18:00.0/sriov_numvfs
-    ethtool --set-priv-flags ens785f0 vf-vlan-prune-disable on
+    ethtool --set-priv-flags ens785f0 vf-vlan-pruning off
 
 2. set up test environment again::
 
diff --git a/tests/TestSuite_cvl_qinq.py b/tests/TestSuite_cvl_qinq.py
index 39d590f6..a23aeeb3 100644
--- a/tests/TestSuite_cvl_qinq.py
+++ b/tests/TestSuite_cvl_qinq.py
@@ -240,6 +240,9 @@ class TestCvlQinq(TestCase):
         self.pf_interface = self.dut.ports_info[self.dut_ports[0]]['intf']
         port = self.dut.ports_info[0]['port']
         port.bind_driver()
+        # get priv-flags default stats
+        self.flag = 'vf-vlan-pruning'
+        self.default_stats = self.dut.get_priv_flags_state(self.pf_interface, self.flag)
 
         self.vf_flag = False
         self.vf0_mac = ''
@@ -255,7 +258,8 @@ class TestCvlQinq(TestCase):
         Run before each test case.
         '''
         self.pci_list = []
-        self.dut.send_expect('ethtool --set-priv-flags %s vf-vlan-prune-disable on' % self.pf_interface, "#")
+        if self.default_stats:
+            self.dut.send_expect('ethtool --set-priv-flags %s %s %s' % (self.pf_interface,self.flag, self.default_stats), "# ")
 
     def setup_pf_vfs_env(self, vfs_num=4):
 
@@ -646,7 +650,8 @@ class TestCvlQinq(TestCase):
                      'Ether(dst="%s",type=0x8100)/Dot1Q(vlan=11,type=0x0800)/IP(src="196.222.232.221")/("X"*480)' % self.vf1_mac]
         pkt_list2 = ['Ether(dst="%s",type=0x8100)/Dot1Q(vlan=21,type=0x8100)/Dot1Q(vlan=2,type=0x0800)/IP(src="196.222.232.221")/("X"*480)' % self.vf1_mac,
                      'Ether(dst="%s",type=0x8100)/Dot1Q(vlan=21,type=0x0800)/IP(src="196.222.232.221")/("X"*480)' % self.vf1_mac]
-        self.dut.send_expect('ethtool --set-priv-flags %s vf-vlan-prune-disable off' % self.pf_interface, '#')
+        if self.default_stats:
+            self.dut.send_expect('ethtool --set-priv-flags %s %s on' % (self.pf_interface, self.flag), '# ')
         self.setup_pf_vfs_env()
         self.launch_testpmd(dcf_param=True)
         self.pmd_output.execute_cmd("vlan set filter on 1")
@@ -679,7 +684,8 @@ class TestCvlQinq(TestCase):
                      'Ether(dst="%s",type=0x8100)/Dot1Q(vlan=1,type=0x0800)/IP(src="196.222.232.221")/("X"*480)' % self.vf1_mac]
         pkt_list2 = ['Ether(dst="%s",type=0x8100)/Dot1Q(vlan=11,type=0x8100)/Dot1Q(vlan=2,type=0x0800)/IP(src="196.222.232.221")/("X"*480)' % self.vf1_mac,
                      'Ether(dst="%s",type=0x8100)/Dot1Q(vlan=11,type=0x0800)/IP(src="196.222.232.221")/("X"*480)' % self.vf1_mac]
-        self.dut.send_expect('ethtool --set-priv-flags %s vf-vlan-prune-disable off' % self.pf_interface, '#')
+        if self.default_stats:
+            self.dut.send_expect('ethtool --set-priv-flags %s %s on' % (self.pf_interface, self.flag), '# ')
         self.setup_pf_vfs_env(vfs_num=1)
         self.launch_testpmd(vfs_num=1)
         self.pmd_output.execute_cmd("vlan set filter on 0")
@@ -712,7 +718,8 @@ class TestCvlQinq(TestCase):
         """
         pkt_list = ['Ether(dst="%s",type=0x8100)/Dot1Q(vlan=1,type=0x8100)/Dot1Q(vlan=2,type=0x0800)/IP(src="196.222.232.221")/("X"*480)' % self.vf1_mac,
                     'Ether(dst="%s",type=0x8100)/Dot1Q(vlan=1,type=0x0800)/IP(src="196.222.232.221")/("X"*480)' % self.vf1_mac]
-        self.dut.send_expect('ethtool --set-priv-flags %s vf-vlan-prune-disable off' % self.pf_interface, '#')
+        if self.default_stats:
+            self.dut.send_expect('ethtool --set-priv-flags %s %s on' % (self.pf_interface, self.flag), '# ')
         self.setup_pf_vfs_env(vfs_num=1)
         self.launch_testpmd(vfs_num=1)
         self.pmd_output.execute_cmd("vlan set filter on 0")
@@ -746,7 +753,8 @@ class TestCvlQinq(TestCase):
         out_vlan = 1
         pkt_list = ['Ether(dst="%s",type=0x0800)/IP(src="196.222.232.221")/("X"*480)' % self.vf1_mac,
                     'Ether(dst="%s",type=0x8100)/Dot1Q(vlan=11,type=0x0800)/IP(src="196.222.232.221")/("X"*480)' % self.vf1_mac]
-        self.dut.send_expect('ethtool --set-priv-flags %s vf-vlan-prune-disable on' % self.pf_interface, '#')
+        if self.default_stats:
+            self.dut.send_expect('ethtool --set-priv-flags %s %s off' % (self.pf_interface, self.flag), '# ')
         self.setup_pf_vfs_env(vfs_num=1)
         self.launch_testpmd(vfs_num=1)
         self.pmd_output.execute_cmd("stop")
@@ -789,7 +797,8 @@ class TestCvlQinq(TestCase):
         """
         param = '--rxq=16 --txq=16 --disable-crc-strip'
         pkt = 'Ether(dst="%s",type=0x0800)/IP(src="196.222.232.221")/("X"*480)' % self.vf1_mac
-        self.dut.send_expect('ethtool --set-priv-flags %s vf-vlan-prune-disable off' % self.pf_interface, '#')
+        if self.default_stats:
+            self.dut.send_expect('ethtool --set-priv-flags %s %s on' % (self.pf_interface, self.flag), '# ')
         self.setup_pf_vfs_env(vfs_num=1)
         self.pmd_output.start_testpmd(cores='1S/4C/1T', param=param, ports=self.pci_list, socket=self.ports_socket)
         self.pmd_output.execute_cmd("set fwd mac")
@@ -821,7 +830,8 @@ class TestCvlQinq(TestCase):
         AVF CRC strip and Vlan strip co-exists
         """
         pkt = 'Ether(dst="%s",type=0x8100)/Dot1Q(vlan=1,type=0x8100)/Dot1Q(vlan=2,type=0x0800)/IP(src="196.222.232.221")/("X"*480)' % self.vf1_mac
-        self.dut.send_expect('ethtool --set-priv-flags %s vf-vlan-prune-disable off' % self.pf_interface, "#")
+        if self.default_stats:
+            self.dut.send_expect('ethtool --set-priv-flags %s %s on' % (self.pf_interface, self.flag), '# ')
         self.setup_pf_vfs_env(vfs_num=1)
         self.launch_testpmd(vfs_num=1)
         self.check_vlan_offload(vlan_type="strip", stats="off")
@@ -875,4 +885,5 @@ class TestCvlQinq(TestCase):
         self.destroy_iavf()
 
     def tear_down_all(self):
-        self.dut.send_expect('ethtool --set-priv-flags %s vf-vlan-prune-disable off' % self.pf_interface, '#')
\ No newline at end of file
+        if self.default_stats:
+            self.dut.send_expect('ethtool --set-priv-flags %s %s %s' % (self.pf_interface, self.flag, self.default_stats), "# ")
