Refactor these functions so differernt types of endpoints can use a unified
function to hotplug nics.
Fixes#731
Signed-off-by: Ruidong Cao <caoruidong@huawei.com>
As this really represents a veth pair rather than a generic
virtual interface, rename VirtualEndpoint to VethEndpoint.
Signed-off-by: Archana Shinde <archana.m.shinde@intel.com>