Updated armband

Project: vswitchperf  6a56d40bcb2de85c22bc19af2527e9c9227f33e2

multi VM: Multi VMs in serial or parallel

Support for deployment scenarios with any number of VMs
in both serial and parallel configuration. Detailed
content of the patch:

* VswitchControllerPXP class for multi VM support
* pvvpxx and pvpvxx deployments for xx VMs in
  serial respective parallel configuration
* special GUEST_ options expansion to requested
  number of VMs;
* support of GUEST_ options specific macros
  #VMINDEX, #MAC(), #IP() and #EVAL()
* all GUEST specific options are turned to lists
  to be VM specific
* support for VM with 1 NIC
* support for VM with multiple NIC pairs; traffic
  is routed in serial or parallel between NIC paris
  based on deployment scenario
* support for PVVP and PVPV scenarios using VMs
  with different numbers of NICs

JIRA: VSPERF-361

Change-Id: I05bedbdfa9a81ea0166d9b03d83ae49d6cb8b19b
Signed-off-by: Martin Klozik <martinx.klozik@intel.com>
Reviewed-by: Maryam Tahhan <maryam.tahhan@intel.com>
Reviewed-by: Al Morton <acmorton@att.com>
Reviewed-by: Christian Trautman <ctrautma@redhat.com>
Reviewed-by: Bill Michalowski <bmichalo@redhat.com>
Reviewed-by: Antonio Fischetti <antonio.fischetti@intel.com>

diff --git a/upstream/vswitchperf b/upstream/vswitchperf
index 695f734..6a56d40 160000 (submodule)
--- a/upstream/vswitchperf
+++ b/upstream/vswitchperf
@@ -1 +1 @@
-Subproject commit 695f734862c884d09c24b54d8d2914b3816837f2
+Subproject commit 6a56d40bcb2de85c22bc19af2527e9c9227f33e2