diff --git a/libvirt/tests/cfg/virtual_network/passt/passt_function.cfg b/libvirt/tests/cfg/virtual_network/passt/passt_function.cfg
index f8951abd3f9..946ec72132b 100644
--- a/libvirt/tests/cfg/virtual_network/passt/passt_function.cfg
+++ b/libvirt/tests/cfg/virtual_network/passt/passt_function.cfg
@@ -22,6 +22,9 @@
             iface_attrs = {'model': 'virtio', 'acpi': {'index': '1'}, 'type_name': 'user', 'backend': {'type': 'passt'}, 'source': {'dev': '${host_iface}'}}
             vm_iface = eno1
             vm_ping_outside = pass
+            s390-virtio:
+                iface_attrs = {'model': 'virtio', 'type_name': 'user', 'backend': {'type': 'passt'}, 'source': {'dev': '${host_iface}'}}
+                vm_iface = enc1
         - ip_portfw:
             alias = {'name': 'ua-c87b89ff-b769-4abc-921f-30d42d7aec5b'}
             backend = {'type': 'passt'}
@@ -49,3 +52,6 @@
             conn_check_args_7 = ('UDP4', 'localhost', 2025, 2025, True, None)
             conn_check_args_8 = ('UDP6', host_ip_v6, 4431, 4432, True, None)
             conn_check_args_9 = ('UDP6', '::1', 4431, 4432, False, None)
+            s390-virtio:
+                iface_attrs = {'model': 'virtio', 'ips': ${ips}, 'backend': ${backend}, 'source': {'dev': '${host_iface}'}, 'alias': ${alias}, 'type_name': 'user', 'portForwards': ${portForwards}}
+                vm_iface = enc1
diff --git a/libvirt/tests/src/virtual_network/passt/passt_function.py b/libvirt/tests/src/virtual_network/passt/passt_function.py
index 97c1425f413..4a7975bed91 100644
--- a/libvirt/tests/src/virtual_network/passt/passt_function.py
+++ b/libvirt/tests/src/virtual_network/passt/passt_function.py
@@ -98,7 +98,7 @@ def run(test, params, env):
             test.fail(f'Logfile of passt "{log_file}" not created')
 
         session = vm.wait_for_serial_login(timeout=60)
-        passt.check_vm_ip(iface_attrs, session, host_iface)
+        passt.check_vm_ip(iface_attrs, session, host_iface, vm_iface)
         passt.check_vm_mtu(session, vm_iface, mtu)
         passt.check_default_gw(session)
         passt.check_nameserver(session)
diff --git a/provider/virtual_network/passt.py b/provider/virtual_network/passt.py
index ae14893eb2c..2bd67a44207 100644
--- a/provider/virtual_network/passt.py
+++ b/provider/virtual_network/passt.py
@@ -169,15 +169,17 @@ def check_proc(target):
         raise exceptions.TestFail(';'.join(failed_check))
 
 
-def check_vm_ip(iface_attrs, session, host_iface):
+def check_vm_ip(iface_attrs, session, host_iface, vm_iface=None):
     """
     Check if vm ip and prefix meet expectation
 
     :param iface_attrs: attributes of interface
     :param session: shell session instance of vm
     :param host_iface: host interface
+    :param vm_iface: vm interface, will be constructed for x86_64 if None
     """
-    vm_iface = 'eno' + iface_attrs.get('acpi', {'index': '1'})['index']
+    if not vm_iface:
+        vm_iface = 'eno' + iface_attrs.get('acpi', {'index': '1'})['index']
     vm_ip, prefix = get_iface_ip_and_prefix(vm_iface, session=session)
     LOG.debug(f'VM ip and prefix: {vm_ip}, {prefix}')
     if 'ips' in iface_attrs: