lxc does not support exec

Signed-off-by: Jessica Frazelle <acidburn@docker.com>
Upstream-commit: aaa134ea0e12781c7e1f19562544826274263a4b
Component: engine

components/engine/integration-cli/docker_cli_network_unix_test.go

@@ -410,6 +410,7 @@ func (s *DockerNetworkSuite) TestDockerNetworkDriverOptions(c *check.C) {
 }
 
 func (s *DockerDaemonSuite) TestDockerNetworkNoDiscoveryDefaultBridgeNetwork(c *check.C) {
+	testRequires(c, ExecSupport)
 	// On default bridge network built-in service discovery should not happen
 	hostsFile := "/etc/hosts"
 	bridgeName := "external-bridge"
@@ -487,6 +488,7 @@ func (s *DockerDaemonSuite) TestDockerNetworkNoDiscoveryDefaultBridgeNetwork(c *
 }
 
 func (s *DockerNetworkSuite) TestDockerNetworkAnonymousEndpoint(c *check.C) {
+	testRequires(c, ExecSupport)
 	hostsFile := "/etc/hosts"
 	cstmBridgeNw := "custom-bridge-nw"