R#33747 DUT reboot when configured multiple IPTV network
setting the lookup method to group_ip_src_ip_vid, to avoid reboot while using multiple IPTV network.
Testing done:
- by configuring multiple IPTV network, as tag on WAN and untagged on LAN.
- by configuring network as untagged on both WAN and LAN.
- by sending join and leave to upstream server on both the above scenarios.
Change-Id: I806363ccde7336548d2321c2f247f709de379245