Hi,
I am also facing same issues, anyone can help me to resolve these issues.
2017-08-10 15:36:18 user.info ATT-GW RT_FLOW: FLOW_REASSEMBLE_FAIL: FCB ageout before all fragments arrive, source 195.224.105.23 destination xxx.xxx.xx.xxx ipid 34473
2017-08-10 15:36:29 user.info ATT-GW RT_FLOW: FLOW_REASSEMBLE_FAIL: FCB ageout before all fragments arrive, source 195.224.105.23 destination xxx.xxx.xx.xxx ipid 37028
2017-08-10 14:19:35 user.info ATT-GW RT_FLOW: FLOW_REASSEMBLE_FAIL: FCB ageout before all fragments arrive, source 195.224.105.23 destination xxx.xxx.xx.xxx ipid 39359
2017-08-10 14:21:58 user.info ATT-GW RT_FLOW: FLOW_REASSEMBLE_FAIL: FCB ageout before all fragments arrive, source 195.224.105.23 destination xxx.xxx.xx.xxx ipid 49686