Fix for TX and RX descriptor queue lockup

On admin up/down changes the TX and RX queues were getting locked
up for VNET_DPDK_PMD_VMXNET3 interfaces. The fix is to ensure the
interface is in admin down before touching the hardware.

Change-Id: Ia264d95355a860607bff7ada00d2be48f91e6dd9
Signed-off-by: Todd Foggoa (tfoggoa) <tfoggoa@cisco.com>
2 files changed