ip_addr = ip_address(text_type(nbr_addr))
e = VppEnum.vl_api_ip_neighbor_flags_t
nbrs = test.vapi.ip_neighbor_dump(sw_if_index,
ip_addr = ip_address(text_type(nbr_addr))
e = VppEnum.vl_api_ip_neighbor_flags_t
nbrs = test.vapi.ip_neighbor_dump(sw_if_index,