Update networking

Add support for VLANs, bridging, and bonding.

tests/integration/rostest/test_09_network.py

@@ -0,0 +1,36 @@
+import pytest
+import rostest.util as u
+from rostest.util import SSH
+
+
+cloud_config_path = './tests/integration/assets/test_09/cloud-config.yml'
+
+
+@pytest.fixture(scope="module")
+def qemu(request):
+    q = u.run_qemu(request, run_args=['--cloud-config', cloud_config_path,
+                                      '-net', 'nic,vlan=0,model=virtio',
+                                      '-net', 'nic,vlan=0,model=virtio',
+                                      '-net', 'nic,vlan=0,model=virtio',
+                                      '-net', 'nic,vlan=0,model=virtio',
+                                      '-net', 'nic,vlan=0,model=virtio',
+                                      '-net', 'nic,vlan=0,model=virtio',
+                                      '-net', 'nic,vlan=0,model=virtio'])
+    u.flush_out(q.stdout)
+    return q
+
+
+def test_network_conf(qemu):
+    SSH(qemu).check_call('bash', '-c', '''cat > test-merge << "SCRIPT"
+set -x -e
+
+ip link show dev br0
+ip link show dev br0.100 | grep br0.100@br0
+ip link show dev eth1.100 | grep 'master br0'
+ip link show dev eth6 | grep 'master bond0'
+ip link show dev eth7 | grep 'master bond0'
+[ "$(</sys/class/net/bond0/bonding/mode)" = "active-backup 1" ]
+
+SCRIPT
+sudo bash test-merge
+    '''.strip())