opx-nas-l3 sync - 3.0.0-dev2

Update: Added UT script for PBR ACL cleanup dependency issue
Update: NHT support for non-default VRF.
Update: Added support for virtual rif attribute as part of VRRP peer routing MAC configuration.
Update: Updated NHT UT scripts to use the logs for validation based on test start time.
Bugfix: VLAN LLA missing from "l3 ip6host show" table resulting in failure to learn IPv6 host entries via traffic
Bugfix: show ip arp vrf displaying stale entries after deleting the vrf vlan
Update: Handle the RIF creation when the local interface DB is not populated.

Signed-off-by: Rakesh Datta rakesh.datta6@gmail.com

open-switch / opx-nas-l3