Suricata dies on my AC86 after some seconds:
admin@RT-AC86U-CAF0:/tmp/mnt/sda/entware/var/log/suricata# cat suricata.log
28/4/2020 -- 19:44:10 - <Notice> - This is Suricata version 4.1.7 RELEASE
28/4/2020 -- 19:44:10 - <Info> - CPUs/cores online: 2
28/4/2020 -- 19:44:10 - <Info> - Found an MTU of 1500 for 'eth0'
28/4/2020 -- 19:44:10 - <Info> - Found an MTU of 1500 for 'eth0'
28/4/2020 -- 19:44:10 - <Info> - fast output device (regular) initialized: fast.log
28/4/2020 -- 19:44:10 - <Info> - stats output device (regular) initialized: stats.log
28/4/2020 -- 19:44:10 - <Info> - 8 rule files processed. 746 rules successfully loaded, 0 rules failed
28/4/2020 -- 19:44:10 - <Info> - Threshold config parsed: 0 rule(s) found
28/4/2020 -- 19:44:10 - <Info> - 746 signatures processed. 115 are IP-only rules, 36 are inspecting packet payload, 584 inspect application layer, 0 are decoder event only
28/4/2020 -- 19:44:10 - <Info> - Going to use 2 thread(s)
28/4/2020 -- 19:44:10 - <Notice> - AFL mode starting
28/4/2020 -- 19:44:10 - <Notice> - AFL mode starting
28/4/2020 -- 19:44:10 - <Notice> - all 2 packet processing threads, 0 management threads initialized, engine started.
28/4/2020 -- 19:44:10 - <Info> - All AFP capture threads are running.
28/4/2020 -- 19:45:19 - <Notice> - Signal Received. Stopping engine.
28/4/2020 -- 19:45:20 - <Notice> - post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: type 0 name W#01-eth0 tmm_flags 0F flags 703 stream_pq 0x3a04d3d8
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: -> slot 0x3a04d1d0 id 0 tm_id 18 name ReceiveAFP
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: -> slot 0x3a04d320 id 1 tm_id 19 name DecodeAFP <==== stream_pq
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: -> slot 0x3a04d470 id 2 tm_id 0 name FlowWorker
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: -> slot 0x3a04f460 id 3 tm_id 10 name RespondReject
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04f6e0: type 0 name W#02-eth0 tmm_flags 0F flags 703 stream_pq 0x3a051908
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04f6e0: -> slot 0x3a051700 id 0 tm_id 18 name ReceiveAFP
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04f6e0: -> slot 0x3a051850 id 1 tm_id 19 name DecodeAFP <==== stream_pq
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04f6e0: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 4 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04f6e0: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 4 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04f6e0: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 4 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04f6e0: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 4 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04f6e0: -> slot 0x3a0519a0 id 2 tm_id 0 name FlowWorker
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04f6e0: -> slot 0x3a009660 id 3 tm_id 10 name RespondReject
28/4/2020 -- 19:45:20 - <Notice> - Thread 1, W#01-eth0 type 0, tv 0x3a04b020 in_use 1
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020 type 0 name W#01-eth0 tmm_flags 0F flags 703
28/4/2020 -- 19:45:20 - <Notice> - Thread 2, W#02-eth0 type 0, tv 0x3a04f6e0 in_use 1
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04f6e0 type 0 name W#02-eth0 tmm_flags 0F flags 703
admin@RT-AC86U-CAF0:/tmp/mnt/sda/entware/var/log/suricata# cat suricata.log
28/4/2020 -- 19:44:10 - <Notice> - This is Suricata version 4.1.7 RELEASE
28/4/2020 -- 19:44:10 - <Info> - CPUs/cores online: 2
28/4/2020 -- 19:44:10 - <Info> - Found an MTU of 1500 for 'eth0'
28/4/2020 -- 19:44:10 - <Info> - Found an MTU of 1500 for 'eth0'
28/4/2020 -- 19:44:10 - <Info> - fast output device (regular) initialized: fast.log
28/4/2020 -- 19:44:10 - <Info> - stats output device (regular) initialized: stats.log
28/4/2020 -- 19:44:10 - <Info> - 8 rule files processed. 746 rules successfully loaded, 0 rules failed
28/4/2020 -- 19:44:10 - <Info> - Threshold config parsed: 0 rule(s) found
28/4/2020 -- 19:44:10 - <Info> - 746 signatures processed. 115 are IP-only rules, 36 are inspecting packet payload, 584 inspect application layer, 0 are decoder event only
28/4/2020 -- 19:44:10 - <Info> - Going to use 2 thread(s)
28/4/2020 -- 19:44:10 - <Notice> - AFL mode starting
28/4/2020 -- 19:44:10 - <Notice> - AFL mode starting
28/4/2020 -- 19:44:10 - <Notice> - all 2 packet processing threads, 0 management threads initialized, engine started.
28/4/2020 -- 19:44:10 - <Info> - All AFP capture threads are running.
28/4/2020 -- 19:45:19 - <Notice> - Signal Received. Stopping engine.
28/4/2020 -- 19:45:20 - <Notice> - post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: type 0 name W#01-eth0 tmm_flags 0F flags 703 stream_pq 0x3a04d3d8
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: -> slot 0x3a04d1d0 id 0 tm_id 18 name ReceiveAFP
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: -> slot 0x3a04d320 id 1 tm_id 19 name DecodeAFP <==== stream_pq
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 9 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: -> slot 0x3a04d470 id 2 tm_id 0 name FlowWorker
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020: -> slot 0x3a04f460 id 3 tm_id 10 name RespondReject
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04f6e0: type 0 name W#02-eth0 tmm_flags 0F flags 703 stream_pq 0x3a051908
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04f6e0: -> slot 0x3a051700 id 0 tm_id 18 name ReceiveAFP
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04f6e0: -> slot 0x3a051850 id 1 tm_id 19 name DecodeAFP <==== stream_pq
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04f6e0: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 4 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04f6e0: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 4 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04f6e0: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 4 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04f6e0: ==> post_pq: slot id 1 slot tm_id 19 post_pq.len 4 packet src stream (flow timeout)
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04f6e0: -> slot 0x3a0519a0 id 2 tm_id 0 name FlowWorker
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04f6e0: -> slot 0x3a009660 id 3 tm_id 10 name RespondReject
28/4/2020 -- 19:45:20 - <Notice> - Thread 1, W#01-eth0 type 0, tv 0x3a04b020 in_use 1
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04b020 type 0 name W#01-eth0 tmm_flags 0F flags 703
28/4/2020 -- 19:45:20 - <Notice> - Thread 2, W#02-eth0 type 0, tv 0x3a04f6e0 in_use 1
28/4/2020 -- 19:45:20 - <Notice> - tv 0x3a04f6e0 type 0 name W#02-eth0 tmm_flags 0F flags 703