Allow overriding of config for the default network

Signed-off-by: Aanand Prasad <aanand.prasad@gmail.com>

tests/acceptance/cli_test.py

@@ -409,6 +409,7 @@ class CLITestCase(DockerClientTestCase):
         networks = self.client.networks(names=[self.project.default_network.full_name])
         self.assertEqual(len(networks), 1)
         self.assertEqual(networks[0]['Driver'], 'bridge')
+        assert 'com.docker.network.bridge.enable_icc' not in networks[0]['Options']
 
         network = self.client.inspect_network(networks[0]['Id'])
 
@@ -425,6 +426,18 @@ class CLITestCase(DockerClientTestCase):
             for service in services:
                 assert self.lookup(container, service.name)
 
+    @v2_only()
+    def test_up_with_default_network_config(self):
+        filename = 'default-network-config.yml'
+
+        self.base_dir = 'tests/fixtures/networks'
+        self._project = get_project(self.base_dir, [filename])
+
+        self.dispatch(['-f', filename, 'up', '-d'], None)
+
+        networks = self.client.networks(names=[self.project.default_network.full_name])
+        assert networks[0]['Options']['com.docker.network.bridge.enable_icc'] == 'false'
+
     @v2_only()
     def test_up_with_networks(self):
         self.base_dir = 'tests/fixtures/networks'

tests/fixtures/networks/default-network-config.yml

@@ -0,0 +1,13 @@
+version: 2
+services:
+  simple:
+    image: busybox:latest
+    command: top
+  another:
+    image: busybox:latest
+    command: top
+networks:
+  default:
+    driver: bridge
+    driver_opts:
+      "com.docker.network.bridge.enable_icc": "false"