diff --git a/coriolis/osmorphing/base.py b/coriolis/osmorphing/base.py
index 4b55915c..6e9ea0f5 100644
--- a/coriolis/osmorphing/base.py
+++ b/coriolis/osmorphing/base.py
@@ -1149,6 +1149,14 @@ def _setup_network_preservation(self, nics_info) -> None:
                     break
                 if ip_addresses and nic_ips:
                     if set(ip_addresses) & set(nic_ips):
+                        # A ':' in the name marks an address label on the parent
+                        # device. udev can only rename the parent.
+                        if ":" in iface:
+                            LOG.info(
+                                "Skipping IP alias interface '%s' for the udev rule.",
+                                iface,
+                            )
+                            continue
                         LOG.info(
                             "Found matching interface for NIC '%s' "
                             "with new MAC '%s', identified by IP.",
diff --git a/coriolis/tests/osmorphing/test_base.py b/coriolis/tests/osmorphing/test_base.py
index 7d5b2d9f..f49de881 100644
--- a/coriolis/tests/osmorphing/test_base.py
+++ b/coriolis/tests/osmorphing/test_base.py
@@ -2085,6 +2085,50 @@ def test__add_net_udev_rules(self, mock_write_file_sudo, mock_test_path):
                 "eth0": "ff:aa:11:22:33:44",
             },
         ),
+        # An ifcfg IP alias is listed before the parent and its address is on
+        # the source NIC. The alias name must be ignored; the parent is used.
+        (
+            [
+                {
+                    "name": "Network adapter 1",
+                    "mac_address": "00:50:56:8e:74:51",
+                    "ip_addresses": ["10.203.180.156", "10.203.181.192"],
+                },
+            ],
+            {
+                "ens192:SAB": {
+                    "mac_address": None,
+                    "ip_addresses": ["10.203.181.192"],
+                },
+                "ens192": {
+                    "mac_address": "00:50:56:8e:74:51",
+                    "ip_addresses": ["10.203.180.156"],
+                },
+            },
+            {"ens192": "00:50:56:8e:74:51"},
+        ),
+        # Same layout when the guest ifcfg files have no HWADDR. The IP match
+        # must still select the name without ':'.
+        (
+            [
+                {
+                    "name": "Network adapter 1",
+                    "mac_address": "00:50:56:8e:74:51",
+                    "ip_addresses": ["10.203.180.156", "10.203.181.192"],
+                },
+            ],
+            {
+                "ens192:SAB": {
+                    "mac_address": None,
+                    "ip_addresses": ["10.203.181.192"],
+                },
+                "ens192": {
+                    "mac_address": None,
+                    "ip_addresses": ["10.203.180.156"],
+                },
+            },
+            {"ens192": "00:50:56:8e:74:51"},
+        ),
     )
     @ddt.unpack
     def test__setup_network_preservation(