diff --git a/libvirt/tests/cfg/virtual_network/update_device/update_iface_portgroup.cfg b/libvirt/tests/cfg/virtual_network/update_device/update_iface_portgroup.cfg
new file mode 100644
index 0000000000..d4748a4aa6
--- /dev/null
+++ b/libvirt/tests/cfg/virtual_network/update_device/update_iface_portgroup.cfg
@@ -0,0 +1,17 @@
+- virtual_network.update_device.iface_portgroup.qos:
+    type = update_iface_portgroup
+    start_vm = no
+    timeout = 240
+    host_iface =
+    pg_a = {'default': 'yes', 'name': 'sales', 'bandwidth_inbound': {'average': '100', 'peak': '200', 'burst': '512'}, 'bandwidth_outbound': {'average': '50', 'peak': '100', 'burst': '256'}}
+    pg_b = {'name': 'engineering', 'bandwidth_inbound': {'average': '200', 'peak': '300', 'burst': '256'}, 'bandwidth_outbound': {'average': '100', 'peak': '200', 'burst': '128'}}
+    pg_attrs = {'portgroups': [${pg_a}, ${pg_b}]}
+    update_attrs = {'portgroup': 'engineering'}
+    variants net_type:
+        - nat:
+            net_attrs = ${pg_attrs}
+        - linux_br:
+            net_attrs = {'name': net_name, 'forward': {'mode': 'bridge'}, 'bridge': {'name': br_name}, **${pg_attrs}}
+        - ovs_br:
+            net_attrs = {'name': net_name, 'forward': {'mode': 'bridge'}, 'virtualport_type': 'openvswitch', 'bridge': {'name': br_name}, **${pg_attrs}}
+    iface_attrs = {'model': 'virtio', 'type_name': 'network', 'source': {'network': net_name}}
diff --git a/libvirt/tests/src/virtual_network/update_device/update_iface_portgroup.py b/libvirt/tests/src/virtual_network/update_device/update_iface_portgroup.py
new file mode 100644
index 0000000000..fc05f9089b
--- /dev/null
+++ b/libvirt/tests/src/virtual_network/update_device/update_iface_portgroup.py
@@ -0,0 +1,117 @@
+import logging
+
+from avocado.utils import process
+from virttest import utils_misc
+from virttest import utils_net
+from virttest import virsh
+from virttest.libvirt_xml import vm_xml
+from virttest.libvirt_xml.network_xml import NetworkXML
+from virttest.utils_libvirt import libvirt_network
+from virttest.utils_libvirt import libvirt_vmxml
+from virttest.utils_test import libvirt
+
+from provider.virtual_network import network_base
+
+VIRSH_ARGS = {'ignore_status': False, 'debug': True}
+
+LOG = logging.getLogger('avocado.' + __name__)
+
+
+def run(test, params, env):
+    """
+    Update interface portgroup for nat and bridge network(Qos)
+
+    """
+    vm_name = params.get('main_vm')
+    vm = env.get_vm(vm_name)
+
+    rand_id = utils_misc.generate_random_string(3)
+    net_type = params.get('net_type', '')
+    br_name = net_type + '_' + rand_id
+    net_name = params.get('net_type') + '_' + rand_id
+    net_attrs = eval(params.get('net_attrs', '{}'))
+    pg_a = eval(params.get('pg_a', '{}'))
+    pg_b = eval(params.get('pg_b', '{}'))
+    update_attrs = eval(params.get('update_attrs', '{}'))
+
+    net_name = 'default' if 'name' not in net_attrs else net_name
+    iface_attrs = eval(params.get('iface_attrs', '{}'))
+
+    host_iface = params.get('host_iface')
+    host_iface = host_iface if host_iface else utils_net.get_net_if(
+        state="UP")[0]
+
+    vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
+    bkxml = vmxml.copy()
+    net_xml = NetworkXML.new_from_net_dumpxml('default')
+    bk_net_xml = net_xml.copy()
+
+    try:
+        LOG.info('Create bridge for test.')
+        if net_type == 'linux_br':
+            utils_net.create_linux_bridge_tmux(br_name, host_iface)
+            process.run(f'ip l show type bridge {br_name}', shell=True)
+        elif net_type == 'ovs_br':
+            utils_net.create_ovs_bridge(br_name)
+
+        if 'name' in net_attrs:
+            libvirt_network.create_or_del_network(net_attrs)
+            virsh.net_dumpxml(net_attrs['name'], **VIRSH_ARGS)
+        else:
+            net_xml.setup_attrs(**net_attrs)
+            net_xml.sync()
+            LOG.debug(f'Network xml of default: {net_xml}')
+
+        vmxml.del_device('interface', by_tag=True)
+        iface = libvirt_vmxml.create_vm_device_by_type(
+            'interface', iface_attrs)
+        libvirt.add_vm_device(vmxml, iface)
+        LOG.debug(f'VMXMLof {vm_name}:\n{virsh.dumpxml(vm_name).stdout_text}')
+
+        iface = network_base.get_iface_xml_inst(vm_name, '1st on vm')
+        mac = iface.mac_address
+
+        vm.start()
+        network_base.get_iface_xml_inst(vm_name, 'on vm after vm start')
+        tap_device = libvirt.get_ifname_host(vm_name, mac)
+        LOG.debug(f'tap device on host with mac {mac} is: {tap_device}.')
+
+        if not utils_net.check_class_rules(
+                tap_device, '1:1', pg_a['bandwidth_inbound']):
+            test.fail('class rule check failed')
+        if not utils_net.check_filter_rules(
+                tap_device, pg_a['bandwidth_outbound']):
+            test.fail('filter rule check failed')
+
+        # Update device
+        update_attrs = {'source': {**iface_attrs['source'], **update_attrs}}
+        LOG.debug(f'Update iface with attrs: {update_attrs}')
+        iface.setup_attrs(**update_attrs)
+        iface.xmltreefile.write()
+
+        LOG.debug(f'Update iface with xml: {iface}')
+        virsh.update_device(vm_name, iface.xml, **VIRSH_ARGS)
+
+        # Check updated iface xml
+        iface_update = network_base.get_iface_xml_inst(vm_name, 'after update')
+        if iface_update.source.get(
+                'portgroup') != update_attrs['source']['portgroup']:
+            test.fail('Update iface xml portgroup failed')
+
+        # Check rules
+        if not utils_net.check_class_rules(
+                tap_device, '1:1', pg_b['bandwidth_inbound']):
+            test.fail('class rule check failed-')
+        if not utils_net.check_filter_rules(
+                tap_device, pg_b['bandwidth_outbound']):
+            test.fail('filter rule check failed-')
+
+    finally:
+        bkxml.sync()
+        bk_net_xml.sync()
+        if 'name' in net_attrs:
+            libvirt_network.create_or_del_network(net_attrs, is_del=True)
+        if net_type == 'linux_br':
+            utils_net.delete_linux_bridge_tmux(br_name, host_iface)
+        if net_type == 'ovs_br':
+            utils_net.delete_ovs_bridge(br_name)
diff --git a/spell.ignore b/spell.ignore
index d4f4440882..a71ea8dfc1 100644
--- a/spell.ignore
+++ b/spell.ignore
@@ -815,6 +815,7 @@ qem
 qemu
 qmp
 QMP
+qos
 quiesce
 qxl
 QXL