Instead of using ethtool for getting the driver for network
devices, use sysfs instead. This is because in case of virtio
devices, ethtool returns virtio-net instead of virtio-pci for
virtio network devices. We need to bind/unbind from virtio-pci
driver in case of virtio-net devices.
Fixes#612
Signed-off-by: Archana Shinde <archana.m.shinde@intel.com>
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>
