diff --git a/tests/unittests/net/netops/test_iproute2.py b/tests/unittests/net/netops/test_iproute2.py
new file mode 100644
index 00000000000..e2b326c4b77
--- /dev/null
+++ b/tests/unittests/net/netops/test_iproute2.py
@@ -0,0 +1,203 @@
+from unittest import mock
+
+from cloudinit.net.netops import iproute2
+from cloudinit.subp import SubpResult
+
+
+class TestOps:
+    @mock.patch.object(iproute2.subp, "subp")
+    def test_link_up(self, m_subp):
+        iproute2.Iproute2.link_up("eth0")
+        iproute2.Iproute2.link_up("eth0", "inet6")
+        assert m_subp.call_args_list == [
+            mock.call(["ip", "link", "set", "dev", "eth0", "up"]),
+            mock.call(
+                ["ip", "-family", "inet6", "link", "set", "dev", "eth0", "up"]
+            ),
+        ]
+
+    @mock.patch.object(iproute2.subp, "subp")
+    def test_link_down(self, m_subp):
+        iproute2.Iproute2.link_down("enp24s0")
+        iproute2.Iproute2.link_down("eno1", "inet6")
+        assert m_subp.call_args_list == [
+            mock.call(["ip", "link", "set", "dev", "enp24s0", "down"]),
+            mock.call(
+                [
+                    "ip",
+                    "-family",
+                    "inet6",
+                    "link",
+                    "set",
+                    "dev",
+                    "eno1",
+                    "down",
+                ]
+            ),
+        ]
+
+    @mock.patch.object(iproute2.subp, "subp")
+    def test_link_rename(self, m_subp):
+        iproute2.Iproute2.link_rename("ens1", "ego1")
+        assert m_subp.call_args_list == [
+            mock.call(["ip", "link", "set", "ens1", "name", "ego1"])
+        ]
+
+    @mock.patch.object(iproute2.subp, "subp")
+    def test_add_route(self, m_subp):
+        iproute2.Iproute2.add_route("wlan0", "102.42.42.0/24")
+        iproute2.Iproute2.add_route(
+            "ens2",
+            "102.42.0.0/16",
+            gateway="192.168.2.254",
+            source_address="192.168.2.1",
+        )
+        assert m_subp.call_args_list == [
+            mock.call(
+                [
+                    "ip",
+                    "-4",
+                    "route",
+                    "replace",
+                    "102.42.42.0/24",
+                    "dev",
+                    "wlan0",
+                ]
+            ),
+            mock.call(
+                [
+                    "ip",
+                    "-4",
+                    "route",
+                    "replace",
+                    "102.42.0.0/16",
+                    "via",
+                    "192.168.2.254",
+                    "dev",
+                    "ens2",
+                    "src",
+                    "192.168.2.1",
+                ]
+            ),
+        ]
+
+    @mock.patch.object(iproute2.subp, "subp")
+    def test_del_route(self, m_subp):
+        iproute2.Iproute2.del_route("wlan0", "102.42.42.0/24")
+        iproute2.Iproute2.del_route(
+            "ens2",
+            "102.42.0.0/16",
+            gateway="192.168.2.254",
+            source_address="192.168.2.1",
+        )
+        assert m_subp.call_args_list == [
+            mock.call(
+                ["ip", "-4", "route", "del", "102.42.42.0/24", "dev", "wlan0"]
+            ),
+            mock.call(
+                [
+                    "ip",
+                    "-4",
+                    "route",
+                    "del",
+                    "102.42.0.0/16",
+                    "via",
+                    "192.168.2.254",
+                    "dev",
+                    "ens2",
+                    "src",
+                    "192.168.2.1",
+                ]
+            ),
+        ]
+
+    @mock.patch.object(iproute2.subp, "subp")
+    def test_append_route(self, m_subp):
+        iproute2.Iproute2.append_route("wlan0", "102.42.42.0/24", "10.0.4.254")
+        assert m_subp.call_args_list == [
+            mock.call(
+                [
+                    "ip",
+                    "-4",
+                    "route",
+                    "append",
+                    "102.42.42.0/24",
+                    "via",
+                    "10.0.4.254",
+                    "dev",
+                    "wlan0",
+                ]
+            )
+        ]
+
+    @mock.patch.object(iproute2.subp, "subp")
+    def test_add_addr(self, m_subp):
+        iproute2.Iproute2.add_addr("wlan0", "10.0.17.0", "10.0.17.255")
+        assert m_subp.call_args_list == [
+            mock.call(
+                [
+                    "ip",
+                    "-family",
+                    "inet",
+                    "addr",
+                    "add",
+                    "10.0.17.0",
+                    "broadcast",
+                    "10.0.17.255",
+                    "dev",
+                    "wlan0",
+                ],
+            ),
+        ]
+
+    @mock.patch.object(iproute2.subp, "subp")
+    def test_del_addr(self, m_subp):
+        iproute2.Iproute2.del_addr("eth0", "10.0.8.3")
+        assert m_subp.call_args_list == [
+            mock.call(
+                [
+                    "ip",
+                    "-family",
+                    "inet",
+                    "addr",
+                    "del",
+                    "10.0.8.3",
+                    "dev",
+                    "eth0",
+                ],
+            ),
+        ]
+
+    @mock.patch.object(iproute2.subp, "subp")
+    def test_flush_addr(self, m_subp):
+        iproute2.Iproute2.flush_addr("eth0")
+        assert m_subp.call_args_list == [
+            mock.call(
+                ["ip", "addr", "flush", "dev", "eth0"],
+            ),
+        ]
+
+    @mock.patch.object(
+        iproute2.subp,
+        "subp",
+        return_value=SubpResult(
+            "default via 192.168.0.1 dev enp2s0 proto dhcp src 192.168.0.104"
+            " metric 100",
+            "",
+        ),
+    )
+    def test_add_default_route(self, m_subp):
+        assert iproute2.Iproute2.get_default_route() == (
+            "default via 192.168.0.1 dev enp2s0 proto dhcp src"
+            " 192.168.0.104 metric 100"
+        )
+        assert m_subp.call_args_list == [
+            mock.call(
+                [
+                    "ip",
+                    "route",
+                    "show",
+                    "0.0.0.0/0",
+                ],
+            ),
+        ]