Comment 10 for bug 1521053

When the issue happens (it looks due to the layout of the struct somehow...), can you try the small workaround patch at
https://patchwork.ozlabs.org/patch/518469/?

I paste it below:

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 88a0069..7233790 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -132,7 +132,9 @@ static inline bool dev_xmit_complete(int rc)
  * used.
  */

-#if defined(CONFIG_WLAN) || IS_ENABLED(CONFIG_AX25)
+#if IS_ENABLED(CONFIG_HYPERV_NET)
+# define LL_MAX_HEADER 224
+#elif defined(CONFIG_WLAN) || IS_ENABLED(CONFIG_AX25)
 # if defined(CONFIG_MAC80211_MESH)
 # define LL_MAX_HEADER 128
 # else

If this can work, please use the formal fixes from KY, which have been in linux-next:
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/log/?qt=grep&q=hv_netvsc (please check the patches of the past week)