diff --git a/scripts/vm/network/security_group.py b/scripts/vm/network/security_group.py
index 6be06edbfcd..ebd0039d9fa 100755
--- a/scripts/vm/network/security_group.py
+++ b/scripts/vm/network/security_group.py
@@ -1369,13 +1369,13 @@ def verify_network_rules(vm_name, vm_id, vm_ip, vm_ip6, vm_mac, vif, brname, sec
         vm_id = vm_name.split("-")[-2]
 
     if brname is None:
-        brname = execute("virsh domiflist %s |grep -w '%s' |tr -s ' '|cut -d ' ' -f3" % (vm_name, vm_mac)).strip()
+        brname = execute("virsh domiflist %s |grep -w '%s' | awk '{print $3}'" % (vm_name, vm_mac)).strip()
     if not brname:
         print("Cannot find bridge")
         sys.exit(1)
 
     if vif is None:
-        vif = execute("virsh domiflist %s |grep -w '%s' |tr -s ' '|cut -d ' ' -f1" % (vm_name, vm_mac)).strip()
+        vif = execute("virsh domiflist %s |grep -w '%s' | awk '{print $1}'" % (vm_name, vm_mac)).strip()
     if not vif:
         print("Cannot find vif")
         sys.exit(1)
diff --git a/test/integration/component/test_multiple_nic_support.py b/test/integration/component/test_multiple_nic_support.py
index 5b1bb7194ff..333dae58c7d 100644
--- a/test/integration/component/test_multiple_nic_support.py
+++ b/test/integration/component/test_multiple_nic_support.py
@@ -224,7 +224,7 @@ class TestMulipleNicSupport(cloudstackTestCase):
                     cls.virtual_machine1.default_network_id = nic.networkid
                     break
         except Exception as e:
-            cls.fail(f"Exception while deploying virtual machine: {e}")
+            cls.fail("Exception while deploying virtual machine: %s" % {e})
 
         try:
             cls.virtual_machine2 = VirtualMachine.create(
@@ -243,7 +243,7 @@ class TestMulipleNicSupport(cloudstackTestCase):
                     cls.virtual_machine2.default_network_id = nic.networkid
                     break
         except Exception as e:
-            cls.fail(f"Exception while deploying virtual machine: {e}")
+            cls.fail("Exception while deploying virtual machine: %s" % {e})
 
         cls._cleanup.append(cls.virtual_machine1)
         cls._cleanup.append(cls.virtual_machine2)