Patch v4.4.100 to Cradlepoint Current

Change-Id: Ia3c8d927e2d4445cc67793de5468074e521507a3
diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c
index 4d09ce6..c4f5650 100644
--- a/net/ipv6/xfrm6_output.c
+++ b/net/ipv6/xfrm6_output.c
@@ -129,6 +129,9 @@
 	IP6CB(skb)->flags |= IP6SKB_XFRM_TRANSFORMED;
 #endif
 
+	/* grab flow hash before encryption */
+	skb_get_hash(skb);
+
 	return xfrm_output(sk, skb);
 }