Fix detection of Mellanox VFs in switchdev mode#395

Merged

zshi-redhat merged 4 commits intok8snetworkplumbingwg:masterfrom almaslennikov:detect_switchdev_vfs

Nov 17, 2021

+23,386-758

Commits on Nov 9, 2021

Refactored netlink_provider module to be an interface and use mocks
almaslennikov
committed

Commits on Nov 10, 2021

Commits on Nov 16, 2021

Use sriovnet provider to get PF name if PF is in switchdev mode
almaslennikov
committed