Updated git submodules

Project: netvirt stable/boron 8e23ffcb123b95252893444faac2ab7b11050852

Bug 7778: VM's FIP are not able communicate to each other
in external network provider

Problem: NORMAL instruction support need to be removed
from legacy netvirt

Soultion: Added a separate flow for broadcast, multicast, unicast of
internal to external communication

Change-Id: Ifc7dec023511395b6a7d2f671b8350886ff11297
Signed-off-by: vinoth <m.vinoth@hcl.com>

diff --git a/docs/submodules/netvirt b/docs/submodules/netvirt
index a3a54f227737f1b542bce6811faea7d9487cd1a7..8e23ffcb123b95252893444faac2ab7b11050852 160000 (submodule)
--- a/docs/submodules/netvirt
+++ b/docs/submodules/netvirt
@@ -1 +1 @@
-Subproject commit a3a54f227737f1b542bce6811faea7d9487cd1a7
+Subproject commit 8e23ffcb123b95252893444faac2ab7b11050852