network: Add support for mq qdisc

test/test-network/conf/25-qdisc-mq.network

@@ -0,0 +1,12 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+[Match]
+Name=testtun99
+Name=testtap99
+
+[Network]
+LinkLocalAddressing=yes
+IPv6AcceptRA=no
+
+[ClassfulMultiQueueing]
+Parent=root
+Handle=0002

test/test-network/systemd-networkd-tests.py

@@ -4648,6 +4648,15 @@ class NetworkdTCTests(unittest.TestCase, Utilities):
         print(output)
         self.assertRegex(output, 'qdisc ingress')
 
+    def test_qdisc_mq(self):
+        copy_network_unit('25-tun.netdev', '25-tap.netdev', '25-qdisc-mq.network')
+        start_networkd()
+        self.wait_online('testtun99:degraded', 'testtap99:degraded')
+
+        output = check_output('tc qdisc show dev testtun99')
+        print(output)
+        self.assertIn('qdisc mq 2: root', output)
+
     @expectedFailureIfModuleIsNotAvailable('sch_multiq')
     def test_qdisc_multiq(self):
         copy_network_unit('25-tun.netdev', '25-tap.netdev', '25-qdisc-multiq.network')