diff --git a/tests/TestSuite_iavf_fdir.py b/tests/TestSuite_iavf_fdir.py
index 7ee6f4a2..e53f55e8 100644
--- a/tests/TestSuite_iavf_fdir.py
+++ b/tests/TestSuite_iavf_fdir.py
@@ -2989,328 +2989,6 @@ class TestIAVFFdir(TestCase):
         self.dut.close_session(self.session_secondary)
         self.dut.close_session(self.session_third)
 
-    def test_maxnum_14336rules_1vf(self):
-        """
-        vfs share 14336 rules table
-        """
-        self.dut.kill_all()
-        src_file = 'create_14336_rules'
-        flows=open(self.src_file_dir + src_file,mode='w')
-        count=0
-        for i in range(56):
-            for j in range(256):
-                flows.write('flow create 0 ingress pattern eth / ipv4 src is 192.168.0.20 dst is 192.168.%d.%d / end actions queue index 5 / mark / end \n'%(i,j))
-                count=count+1
-        flows.close()
-        self.verify(count == 14336, "failed to create 14336 fdir rules on vf.")
-        self.dut.session.copy_file_to(self.src_file_dir + src_file, self.dut_file_dir)
-
-        eal_param = "-c f -n 6 -w %s -w %s" % (self.sriov_vfs_pf0[0].pci,self.sriov_vfs_pf0[1].pci)
-        command = self.path + eal_param + " -- -i --rxq=%s --txq=%s" % (self.cvlq_num, self.cvlq_num) + " --cmdline-file=%s" % self.dut_file_dir + src_file
-        self.dut.send_expect(command, "testpmd> ", 300)
-        self.config_testpmd()
-
-        # can't create more than 14336 rules on vf0
-        rule_14336_vf0 = "flow create 0 ingress pattern eth / ipv4 src is 192.168.0.20 dst is 192.168.56.0 / end actions queue index 5 / mark / end"
-        self.create_fdir_rule(rule_14336_vf0, check_stats=False)
-        #check there are 14336 rules created.
-        out = self.check_rule_number(port_id=0, num=14336)
-        self.verify("14336" not in out, "more than 14336 rules can be created on 1vf")
-
-        # can't create rule on vf1
-        rule_0_vf1 = "flow create 1 ingress pattern eth / ipv4 src is 192.168.0.20 dst is 192.168.56.0 / end actions queue index 5 / mark / end"
-        self.create_fdir_rule(rule_0_vf1, check_stats=False)
-        self.check_fdir_rule(port_id=1, stats=False)
-
-        pkt_0 = 'Ether(dst="00:11:22:33:44:55")/IP(src="192.168.0.20",dst="192.168.0.0")/Raw("x" * 80)'
-        pkt_14335 = 'Ether(dst="00:11:22:33:44:55")/IP(src="192.168.0.20",dst="192.168.55.255")/Raw("x" * 80)'
-        pkt_14336 = 'Ether(dst="00:11:22:33:44:55")/IP(src="192.168.0.20",dst="192.168.56.0")/Raw("x" * 80)'
-
-        # check packet match rule 0 and rule 14335 can be redirected to expected queue
-        out_0 = self.send_pkts_getouput(pkts=pkt_0, pf_id=0)
-        rfc.check_iavf_fdir_mark(out_0, pkt_num=1, check_param={"port_id": 0, "mark_id": 0, "queue": 5}, stats=True)
-        out_14335 = self.send_pkts_getouput(pkts=pkt_14335, pf_id=0)
-        rfc.check_iavf_fdir_mark(out_14335, pkt_num=1, check_param={"port_id": 0, "mark_id": 0, "queue": 5}, stats=True)
-        # check packet match rule 14336 can't be redirected to expected queue.
-        out_14336 = self.send_pkts_getouput(pkts=pkt_14336, pf_id=0)
-        rfc.check_iavf_fdir_mark(out_14336, pkt_num=1, check_param={"port_id": 0, "queue": 5}, stats=False)
-
-        # delete one rule of vf0
-        self.dut.send_expect("flow destroy 0 rule 0", "testpmd> ", timeout=200)
-        self.create_fdir_rule(rule_0_vf1, check_stats=True)
-        pkt_0_vf1 = 'Ether(dst="00:11:22:33:44:66")/IP(src="192.168.0.20",dst="192.168.56.0")/Raw("x" * 80)'
-        out_0_vf1 = self.send_pkts_getouput(pkts=pkt_0_vf1, pf_id=0)
-        rfc.check_iavf_fdir_mark(out_0_vf1, pkt_num=1, check_param={"port_id": 1, "mark_id": 0, "queue": 5}, stats=True)
-
-        # flush all the rules
-        self.dut.send_expect("flow flush 0", "testpmd> ", timeout=200)
-        self.check_fdir_rule(port_id=0, stats=False)
-        out_0 = self.send_pkts_getouput(pkts=pkt_0, pf_id=0)
-        out_14335 = self.send_pkts_getouput(pkts=pkt_14335, pf_id=0)
-        rfc.check_iavf_fdir_mark(out_0, pkt_num=1, check_param={"port_id": 0, "mark_id": 0, "queue": 5}, stats=False)
-        rfc.check_iavf_fdir_mark(out_14335, pkt_num=1, check_param={"port_id": 0, "mark_id": 0, "queue": 5}, stats=False)
-
-        self.create_fdir_rule(rule_14336_vf0, check_stats=True)
-        out_14336 = self.send_pkts_getouput(pkts=pkt_14336, pf_id=0)
-        rfc.check_iavf_fdir_mark(out_14336, pkt_num=1, check_param={"port_id": 0, "mark_id": 0, "queue": 5}, stats=True)
-
-    def test_maxnum_14336rules_2vf(self):
-        """
-        vfs share 14336 rules table
-        """
-        self.dut.kill_all()
-        self.session_secondary = self.dut.new_session()
-        src_file = 'create_14336_rules_2vf'
-        flows=open(self.src_file_dir + src_file,mode='w')
-        flows.write('flow create 0 ingress pattern eth / ipv4 src is 192.168.0.20 dst is 192.168.0.0 / end actions queue index 5 / mark / end \n')
-        count=1
-        for i in range(55):
-            for j in range(256):
-                flows.write('flow create 1 ingress pattern eth / ipv4 src is 192.168.0.20 dst is 192.168.%d.%d / end actions queue index 5 / mark / end \n'%(i,j))
-                count=count+1
-        for j in range(255):
-            flows.write('flow create 1 ingress pattern eth / ipv4 src is 192.168.0.20 dst is 192.168.55.%d / end actions queue index 5 / mark / end \n' % j)
-            count=count+1
-        flows.close()
-        self.verify(count == 14336, "failed to create 14336 fdir rules on 2 vfs.")
-        self.dut.session.copy_file_to(self.src_file_dir + src_file, self.dut_file_dir)
-
-        eal_param = "-c f -n 6 -w %s -w %s" % (self.sriov_vfs_pf0[0].pci,self.sriov_vfs_pf1[0].pci)
-        command = self.path + eal_param + " -- -i --rxq=%s --txq=%s" % (self.cvlq_num, self.cvlq_num) + " --cmdline-file=%s" % self.dut_file_dir + src_file
-        self.dut.send_expect(command, "testpmd> ", 300)
-
-        self.config_testpmd()
-        self.check_fdir_rule(port_id=0, rule_list=['0'])
-
-        # can't create more than 14336 rules on 2vf
-        rule_14335_vf1 = "flow create 1 ingress pattern eth / ipv4 src is 192.168.0.20 dst is 192.168.56.0 / end actions queue index 5 / mark / end"
-        self.create_fdir_rule(rule_14335_vf1, check_stats=False)
-        #check there are 14336 rules created.
-        out = self.check_rule_number(port_id=1, num=14335)
-        self.verify("14335" not in out, "more than 14336 rules are created on 2vf")
-
-        # can't create new rule on vf0
-        rule_1_vf0 = "flow create 0 ingress pattern eth / ipv4 src is 192.168.0.20 dst is 192.168.56.0 / end actions queue index 5 / mark / end"
-        self.create_fdir_rule(rule_1_vf0, check_stats=False)
-        self.check_rule_number(port_id=0, num=1)
-
-        pkt_0 = 'Ether(dst="00:11:22:33:44:55")/IP(src="192.168.0.20",dst="192.168.0.0")/Raw("x" * 80)'
-        pkt_1 = 'Ether(dst="00:11:22:33:44:77")/IP(src="192.168.0.20",dst="192.168.0.0")/Raw("x" * 80)'
-        pkt_14335 = 'Ether(dst="00:11:22:33:44:77")/IP(src="192.168.0.20",dst="192.168.55.254")/Raw("x" * 80)'
-        pkt_14336 = 'Ether(dst="00:11:22:33:44:77")/IP(src="192.168.0.20",dst="192.168.56.0")/Raw("x" * 80)'
-
-        self.session_secondary.send_expect("ifconfig %s up" % self.pf0_intf, "# ", 15)
-        self.session_secondary.send_expect("ifconfig %s up" % self.pf1_intf, "# ", 15)
-        time.sleep(1)
-
-        # check packet match rule 0 and rule 14335 can be redirected to expected queue
-        out_0 = self.send_pkts_getouput(pkts=pkt_0, pf_id=0)
-        rfc.check_iavf_fdir_mark(out_0, pkt_num=1, check_param={"port_id": 0, "mark_id": 0, "queue": 5}, stats=True)
-        out_1 = self.send_pkts_getouput(pkts=pkt_1, pf_id=1)
-        rfc.check_iavf_fdir_mark(out_1, pkt_num=1, check_param={"port_id": 1, "mark_id": 0, "queue": 5}, stats=True)
-
-        out_14335 = self.send_pkts_getouput(pkts=pkt_14335, pf_id=1)
-        rfc.check_iavf_fdir_mark(out_14335, pkt_num=1, check_param={"port_id": 1, "mark_id": 0, "queue": 5}, stats=True)
-        # check packet match rule 14336 can't be redirected to expected queue.
-        out_14336 = self.send_pkts_getouput(pkts=pkt_14336, pf_id=1)
-        rfc.check_iavf_fdir_mark(out_14336, pkt_num=1, check_param={"port_id": 1, "queue": 5}, stats=False)
-
-        # destroy rule 0 on vf0, then create a new rule on vf1 successfully.
-        self.dut.send_expect("flow flush 0", "testpmd> ")
-        self.create_fdir_rule(rule_14335_vf1, check_stats=True)
-        out_14336 = self.send_pkts_getouput(pkts=pkt_14336, pf_id=1)
-        rfc.check_iavf_fdir_mark(out_14336, pkt_num=1, check_param={"port_id": 1, "mark_id": 0, "queue": 5}, stats=True)
-
-        self.dut.send_expect("flow flush 1", "testpmd> ", timeout=300)
-
-        self.check_fdir_rule(port_id=0, stats=False)
-        self.check_fdir_rule(port_id=1, stats=False)
-
-        out_0 = self.send_pkts_getouput(pkts=pkt_0, pf_id=0)
-        out_1 = self.send_pkts_getouput(pkts=pkt_1, pf_id=1)
-        out_14335 = self.send_pkts_getouput(pkts=pkt_14335, pf_id=1)
-        rfc.check_iavf_fdir_mark(out_0, pkt_num=1, check_param={"port_id": 0, "mark_id": 0, "queue": 5}, stats=False)
-        rfc.check_iavf_fdir_mark(out_1, pkt_num=1, check_param={"port_id": 1, "mark_id": 0, "queue": 5}, stats=False)
-        rfc.check_iavf_fdir_mark(out_14335, pkt_num=1, check_param={"port_id": 1, "mark_id": 0, "queue": 5}, stats=False)
-
-        self.dut.close_session(self.session_secondary)
-
-    def test_maxnum_15360rules_1pf_2vf(self):
-        """
-        2*100G NIC, each pf can create 1024 rules at least, vfs share 14336 rules table
-        4*25G NIC, each pf can create 512 rules at least, vfs share 14336 rules table
-        so if 2*25G NIC, max number is 14848 on 1pf and 2vfs.
-        """
-        self.dut.kill_all()
-        self.session_secondary = self.dut.new_session()
-
-        #create 1025 rules on pf1
-        src_file = 'create_1025_kernel_rules'
-        flows=open(self.src_file_dir + src_file,mode='w')
-        count=0
-        if self.nic in ["columbiaville_100g"]:
-            for i in range(4):
-                for j in range(256):
-                    flows.write('ethtool -N %s flow-type tcp4 src-ip 192.168.%d.%d dst-ip 192.168.100.2 src-port 32 dst-port 33 action 8 \n' % (self.pf1_intf,i,j))
-                    count=count+1
-            flows.write('ethtool -N %s flow-type tcp4 src-ip 192.168.100.0 dst-ip 192.168.100.2 src-port 32 dst-port 33 action 8 \n' % self.pf1_intf)
-            count=count+1
-            flows.close()
-            self.verify(count == 1025, "failed to create 1025 fdir rules on pf.")
-        elif self.nic in ["columbiaville_25g"]:
-            for i in range(2):
-                for j in range(256):
-                    flows.write('ethtool -N %s flow-type tcp4 src-ip 192.168.%d.%d dst-ip 192.168.100.2 src-port 32 dst-port 33 action 8 \n' % (self.pf1_intf,i,j))
-                    count=count+1
-            flows.write('ethtool -N %s flow-type tcp4 src-ip 192.168.100.0 dst-ip 192.168.100.2 src-port 32 dst-port 33 action 8 \n' % self.pf1_intf)
-            count=count+1
-            flows.close()
-            self.verify(count == 513, "failed to create 1025 fdir rules on pf.")
-        self.dut.session.copy_file_to(self.src_file_dir + src_file, self.dut_file_dir)
-        # create 1025 rules on pf1
-        fkr = open(self.src_file_dir + src_file, "r+")
-        kernel_rules = fkr.read()
-        fkr.close()
-        self.dut.send_expect(kernel_rules, "# ")
-        time.sleep(15)
-
-        #create 1 rule on vf00, and 14334 rules on vf01
-        src_file_vf = 'create_14335_rules_on_2vfs'
-        flows = open(self.src_file_dir + src_file_vf, mode='w')
-        flows.write('flow create 0 ingress pattern eth / ipv4 src is 192.168.0.20 dst is 192.168.0.0 / end actions queue index 5 / mark / end \n')
-        count=1
-        for i in range(55):
-            for j in range(256):
-                flows.write('flow create 1 ingress pattern eth / ipv4 src is 192.168.0.20 dst is 192.168.%d.%d / end actions queue index 5 / mark / end \n'%(i,j))
-                count=count+1
-        for j in range(254):
-            flows.write('flow create 1 ingress pattern eth / ipv4 src is 192.168.0.20 dst is 192.168.55.%d / end actions queue index 5 / mark / end \n' % j)
-            count=count+1
-        flows.close()
-        self.verify(count == 14335, "failed to create 14335 fdir rules on vfs.")
-        self.dut.session.copy_file_to(self.src_file_dir + src_file_vf, self.dut_file_dir)
-
-        # start testpmd with creating rules in commandline
-        eal_param = "-c f -n 6 -w %s -w %s" % (self.sriov_vfs_pf0[0].pci,self.sriov_vfs_pf0[1].pci)
-        command = self.path + eal_param + " -- -i --rxq=%s --txq=%s" % (self.cvlq_num, self.cvlq_num) + " --cmdline-file=%s" % self.dut_file_dir + src_file_vf
-        fdw = open("15360_rules_vf_result.txt", "w")
-        fdw.write(self.dut.send_expect(command, "testpmd> ", 360))
-        fdw.close()
-
-        self.config_testpmd()
-        # check there is 1 rule created on vf00
-        self.check_fdir_rule(port_id=0, rule_list=['0'])
-
-        # can't create more than 14335 rules on 2vf, the rule index is from 0
-        rule_14334_vf1 = "flow create 1 ingress pattern eth / ipv4 src is 192.168.0.20 dst is 192.168.56.0 / end actions queue index 5 / mark / end"
-        pkt_14334 = 'Ether(dst="00:11:22:33:44:66")/IP(src="192.168.0.20",dst="192.168.56.0")/Raw("x" * 80)'
-        self.create_fdir_rule(rule_14334_vf1, check_stats=False)
-
-        #check there are 14334 rules created on vf01
-        out = self.check_rule_number(port_id=1, num=14334)
-        self.verify("14334" not in out, "more than 15360 rules are created on 2vf")
-
-        # delete a rule on pf0
-        self.session_secondary.send_expect("ethtool -N %s delete 14847" % self.pf1_intf, "# ")
-
-        # then can create one more rule on vf01
-        self.create_fdir_rule(rule_14334_vf1, check_stats=True)
-        out_14334 = self.send_pkts_getouput(pkts=pkt_14334, pf_id=0)
-        rfc.check_iavf_fdir_mark(out_14334, pkt_num=1, check_param={"port_id": 1, "mark_id": 0, "queue": 5}, stats=True)
-
-        self.dut.send_expect("flow flush 0", "testpmd> ", timeout=200)
-        self.dut.send_expect("flow flush 1", "testpmd> ", timeout=200)
-        self.check_fdir_rule(port_id=0, stats=False)
-        self.check_fdir_rule(port_id=1, stats=False)
-        out_14334 = self.send_pkts_getouput(pkts=pkt_14334, pf_id=0)
-        rfc.check_iavf_fdir_mark(out_14334, pkt_num=1, check_param={"port_id": 1, "mark_id": 0, "queue": 5}, stats=False)
-
-        self.dut.send_expect("quit", "# ")
-        self.dut.close_session(self.session_secondary)
-        self.re_load_ice_driver()
-        self.setup_2pf_4vf_env()
-
-    def test_maxnum_15360rules_1pf_0_rules_vf(self):
-        """
-        2*100G NIC, each pf can create 1024 rules at least, vfs share 14336 rules table
-        4*25G NIC, each pf can create 512 rules at least, vfs share 14336 rules table
-        so if 2*25G NIC, max number is 14848 on 1pf and vfs.
-        create 15360/14848 rules on pf1, check failed to create rule on vf00 and vf10
-        """
-        self.dut.kill_all()
-        self.session_secondary = self.dut.new_session()
-
-        #create 15360 rules on pf1
-        src_file = 'create_15360_kernel_rules'
-        flows=open(self.src_file_dir + src_file,mode='w')
-        count=0
-        if self.nic in ["columbiaville_100g"]:
-            for i in range(60):
-                for j in range(256):
-                    flows.write('ethtool -N %s flow-type tcp4 src-ip 192.168.%d.%d dst-ip 192.168.100.2 src-port 32 dst-port 33 action 8 \n' % (self.pf1_intf,i,j))
-                    count=count+1
-            flows.close()
-            self.verify(count == 15360, "failed to create 15360 fdir rules on pf.")
-        elif self.nic in ["columbiaville_25g"]:
-            for i in range(58):
-                for j in range(256):
-                    flows.write('ethtool -N %s flow-type tcp4 src-ip 192.168.%d.%d dst-ip 192.168.100.2 src-port 32 dst-port 33 action 8 \n' % (self.pf1_intf,i,j))
-                    count=count+1
-            flows.close()
-            self.verify(count == 14848, "failed to create 14848 fdir rules on pf.")
-        self.dut.session.copy_file_to(self.src_file_dir + src_file, self.dut_file_dir)
-        # create 15360 rules on pf1
-        fkr = open(self.src_file_dir + src_file, "r+")
-        kernel_rules = fkr.read()
-        fkr.close()
-        self.dut.send_expect(kernel_rules, "# ")
-        time.sleep(200)
-        # failed to create 1 more rule on pf1
-        self.dut.send_expect("ethtool -N %s flow-type tcp4 src-ip 192.168.100.0 dst-ip 192.168.100.2 src-port 32 dst-port 33 action 8" % self.pf1_intf, "Cannot insert RX class rule: No space left on device")
-        # start testpmd with creating rules in commandline
-        eal_param = "-c f -n 6 -w %s -w %s" % (self.sriov_vfs_pf0[0].pci,self.sriov_vfs_pf1[0].pci)
-        command = self.path + eal_param + " -- -i --rxq=%s --txq=%s" % (self.cvlq_num, self.cvlq_num)
-        self.dut.send_expect(command, "testpmd> ", 20)
-
-        self.config_testpmd()
-        rule_0_vf00 = "flow create 0 ingress pattern eth / ipv4 src is 192.168.0.20 dst is 192.168.56.0 / end actions queue index 5 / mark / end"
-        pkt_0_vf00 = 'Ether(dst="00:11:22:33:44:55")/IP(src="192.168.0.20",dst="192.168.56.0")/Raw("x" * 80)'
-        rule_0_vf10 = "flow create 1 ingress pattern eth / ipv4 src is 192.168.0.20 dst is 192.168.56.0 / end actions queue index 5 / mark / end"
-        pkt_0_vf10 = 'Ether(dst="00:11:22:33:44:77")/IP(src="192.168.0.20",dst="192.168.56.0")/Raw("x" * 80)'
-
-        #failed to create rule on vf00 and vf10
-        self.create_fdir_rule(rule_0_vf00, check_stats=False)
-        self.create_fdir_rule(rule_0_vf10, check_stats=False)
-        self.check_rule_number(port_id=0, num=0)
-        self.check_rule_number(port_id=1, num=0)
-
-        # delete a rule on pf1
-        self.session_secondary.send_expect("ethtool -N %s delete 14847" % self.pf1_intf, "# ")
-
-        # then can create one rule on vf00
-        self.create_fdir_rule(rule_0_vf00, check_stats=True)
-        self.create_fdir_rule(rule_0_vf10, check_stats=False)
-        self.check_rule_number(port_id=0, num=1)
-        self.check_rule_number(port_id=1, num=0)
-
-        # delete a rule on pf1
-        self.session_secondary.send_expect("ethtool -N %s delete 14846" % self.pf1_intf, "# ")
-
-        # then can create one rule on vf10
-        self.create_fdir_rule(rule_0_vf10, check_stats=True)
-        self.check_rule_number(port_id=1, num=1)
-
-        out_0_vf00 = self.send_pkts_getouput(pkts=pkt_0_vf00, pf_id=0)
-        rfc.check_iavf_fdir_mark(out_0_vf00, pkt_num=1, check_param={"port_id": 0, "mark_id": 0, "queue": 5}, stats=True)
-
-        out_0_vf10 = self.send_pkts_getouput(pkts=pkt_0_vf10, pf_id=1)
-        rfc.check_iavf_fdir_mark(out_0_vf10, pkt_num=1, check_param={"port_id": 1, "mark_id": 0, "queue": 5}, stats=True)
-
-        self.dut.send_expect("quit", "# ")
-        self.dut.close_session(self.session_secondary)
-        self.re_load_ice_driver()
-        self.setup_2pf_4vf_env()
-
     def test_maxnum_128_profiles(self):
         """
         There are 128 profiles in total.
@@ -3390,77 +3068,6 @@ class TestIAVFFdir(TestCase):
         out = self.send_pkts_getouput(pkts=pkt)
         rfc.check_iavf_fdir_mark(out, pkt_num=1, check_param={"port_id": 0, "mark_id": 0, "queue": 1}, stats=True)
 
-    def test_stress_add_delete_rules_1vf(self):
-        """
-        add/delete rules 14336 times on 1 vf
-        """
-        rules = [
-            "flow create 0 ingress pattern eth / ipv4 src is 192.168.0.20 dst is 192.168.0.21 / udp src is 22 dst is 23 / end actions queue index 6 / mark / end",
-            "flow create 0 ingress pattern eth / ipv4 src is 192.168.0.20 dst is 192.168.0.21 / tcp src is 22 dst is 23 / end actions rss queues 2 3 end / mark id 1 / end"]
-        pkts = [
-            'Ether(dst="00:11:22:33:44:55")/IP(src="192.168.0.20",dst="192.168.0.21")/UDP(sport=22,dport=23)/Raw("x" * 80)',
-            'Ether(dst="00:11:22:33:44:55")/IP(src="192.168.0.20",dst="192.168.0.21")/TCP(sport=22,dport=23)/Raw("x" * 80)']
-        self.dut.kill_all()
-        src_file = 'add_delete_rules_1vf'
-        flows=open(self.src_file_dir + src_file,mode='w')
-        count=0
-        for i in range(14336):
-            flows.write('%s \n' % rules[0])
-            flows.write('%s \n' % rules[1])
-            flows.write('flow flush 0\n')
-            count=count+1
-        flows.close()
-        self.verify(count == 14336, "failed to add/delete 14336 times of fdir rules on vf.")
-        self.dut.session.copy_file_to(self.src_file_dir + src_file, self.dut_file_dir)
-
-        eal_param = "-c f -n 6 -w %s -w %s" % (self.sriov_vfs_pf0[0].pci,self.sriov_vfs_pf0[1].pci)
-        command = self.path + eal_param + " -- -i --rxq=%s --txq=%s" % (self.cvlq_num, self.cvlq_num) + " --cmdline-file=%s" % self.dut_file_dir + src_file
-        self.dut.send_expect(command, "testpmd> ", 900)
-        self.config_testpmd()
-        self.check_fdir_rule(port_id=0, stats=False)
-        self.create_fdir_rule(rules, check_stats=True)
-        out_0 = self.send_pkts_getouput(pkts=pkts[0])
-        rfc.check_iavf_fdir_mark(out_0, pkt_num=1, check_param={"port_id": 0, "mark_id": 0, "queue": 6}, stats=True)
-        out_1 = self.send_pkts_getouput(pkts=pkts[1])
-        rfc.check_iavf_fdir_mark(out_1, pkt_num=1, check_param={"port_id": 0, "mark_id": 1, "queue": [2, 3]}, stats=True)
-
-    def test_stress_add_delete_rules_2vf(self):
-        """
-        add/delete rules 14336 times on 2 vfs
-        """
-        rules = [
-            "flow create 0 ingress pattern eth / ipv4 src is 192.168.56.0 dst is 192.1.0.0 tos is 4 / tcp src is 22 dst is 23 / end actions queue index 5 / end",
-            "flow create 1 ingress pattern eth / ipv4 src is 192.168.56.0 dst is 192.1.0.0 tos is 4 / tcp src is 22 dst is 23 / end actions queue index 5 / end"]
-        pkts = [
-            'Ether(dst="00:11:22:33:44:55")/IP(src="192.168.56.0",dst="192.1.0.0", tos=4)/TCP(sport=22,dport=23)/Raw("x" * 80)',
-            'Ether(dst="00:11:22:33:44:66")/IP(src="192.168.56.0",dst="192.1.0.0", tos=4)/TCP(sport=22,dport=23)/Raw("x" * 80)']
-        self.dut.kill_all()
-        src_file = 'add_delete_rules_2vfs'
-        flows=open(self.src_file_dir + src_file,mode='w')
-        count=0
-        for i in range(14336):
-            flows.write('%s \n' % rules[0])
-            flows.write('%s \n' % rules[1])
-            flows.write('flow flush 0\n')
-            flows.write('flow flush 1\n')
-            count=count+1
-        flows.close()
-        self.verify(count == 14336, "failed to add/delete 14336 times of fdir rules on 2 vfs.")
-        self.dut.session.copy_file_to(self.src_file_dir + src_file, self.dut_file_dir)
-
-        eal_param = "-c f -n 6 -w %s -w %s" % (self.sriov_vfs_pf0[0].pci,self.sriov_vfs_pf0[1].pci)
-        command = self.path + eal_param + " -- -i --rxq=%s --txq=%s" % (self.cvlq_num, self.cvlq_num) + " --cmdline-file=%s" % self.dut_file_dir + src_file
-        self.dut.send_expect(command, "testpmd> ", 900)
-        self.config_testpmd()
-        self.check_fdir_rule(port_id=0, stats=False)
-        self.check_fdir_rule(port_id=1, stats=False)
-
-        self.create_fdir_rule(rules, check_stats=True)
-        out_0 = self.send_pkts_getouput(pkts=pkts[0], pf_id=0)
-        rfc.check_iavf_fdir_mark(out_0, pkt_num=1, check_param={"port_id": 0, "queue": 5}, stats=True)
-        out_1 = self.send_pkts_getouput(pkts=pkts[1], pf_id=0)
-        rfc.check_iavf_fdir_mark(out_1, pkt_num=1, check_param={"port_id": 1, "queue": 5}, stats=True)
-
     def test_stress_delete_rules(self):
         """
         delete 1st/2nd/last rule won't affect other rules
