Integration: remove redundant kernel version check for MACVlan

The daemon requires kernel 3.10 or up to start, so there's no need
to check if the daemon is kernel 3.8 or up.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 691eb142561818b0ca2255e2e340cbea6b91d80c)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

integration/network/macvlan/macvlan_test.go

@@ -20,7 +20,6 @@ import (
 func TestDockerNetworkMacvlanPersistance(t *testing.T) {
 	// verify the driver automatically provisions the 802.1q link (dm-dummy0.60)
 	skip.If(t, testEnv.IsRemoteDaemon)
-	skip.If(t, !macvlanKernelSupport(), "Kernel doesn't support macvlan")
 
 	d := daemon.New(t)
 	d.StartWithBusybox(t)
@@ -43,7 +42,6 @@ func TestDockerNetworkMacvlanPersistance(t *testing.T) {
 
 func TestDockerNetworkMacvlan(t *testing.T) {
 	skip.If(t, testEnv.IsRemoteDaemon)
-	skip.If(t, !macvlanKernelSupport(), "Kernel doesn't support macvlan")
 
 	for _, tc := range []struct {
 		name string
@@ -271,8 +269,3 @@ func testMacvlanAddressing(client client.APIClient) func(*testing.T) {
 		assert.Check(t, strings.Contains(result.Combined(), "default via 2001:db8:abca::254 dev eth0"))
 	}
 }
-
-// ensure Kernel version is >= v3.9 for macvlan support
-func macvlanKernelSupport() bool {
-	return n.CheckKernelMajorVersionGreaterOrEqualThen(3, 9)
-}