Capture_loss event:
1486803890.282458 900.000048 sec-bro04-1-4 28622 35953 79.60949
Lb logs:
Feb 11 01:04:50 sec-bro04 lb: {"ts":1486803890.238885,"input_interface":"netmap:em1","output_interface":"netmap:broem1{4/xT@1","packets_forwarded":6664358,"packets_dropped":177568,"data_forward_rate_Mbps":3.1411,"data_drop_rate_Mbps":0.0000,"packet_forward_rate_kpps":2.0600,"packet_drop_rate_kpps":0.0000,"overflow_queue_size":0}
On other interfaces it does show some loss but nothing substantial.