sw_interface_set_flags {interface1} admin-up link-up
sw_interface_set_flags {interface2} admin-up link-up
bridge_domain_add_del bd_id 1 flood 1 uu-flood 1 forward 1 learn 1 arp-term 0
sw_interface_set_l2_bridge {interface1} bd_id 1 shg 0  enable
sw_interface_set_l2_bridge {interface2} bd_id 1 shg 0  enable
exec trace add dpdk-input 100