Add NetDeviceState support in IPv4 nix vector routing
Add logic to use NetDeviceState class in IPv4 nix vector routing if the object is available with the NetDevice. This MR is related to !370 and should be merged after it.
Add logic to use NetDeviceState class in IPv4 nix vector routing if the object is available with the NetDevice. This MR is related to !370 and should be merged after it.