In regards to previous comment, this is how the router synch data is retrieved:
Sep 22 23:23:03.184754 ubuntu-bionic-fortnebula-regionone-0011677831 neutron-server[16342]: DEBUG neutron.db.l3_dvr_db [None req-2cb213b2-ce5b-472c-8f98-fc3675707464 None None] neutron.services.l3_router.l3_router_plugin.L3RouterPlugin method _get_dvr_sync_data called with arguments (<neutron_lib.context.Context object at 0x7f7bd1117438>, 'ubuntu-bionic-fortnebula-regionone-0011677831', Agent(admin_state_up=True,agent_type='L3 agent',availability_zone='nova',binary='neutron-l3-agent',configurations={"agent_mode": "dvr_snat", "ex_gw_ports": 7, "floating_ips": 4, "handle_internal_only_routers": true, "interface_driver": "openvswitch", "interfaces": 10, "log_agent_heartbeats": false, "routers": 7},created_at=2019-09-22T23:00:42Z,description=<?>,heartbeat_timestamp=2019-09-22T23:22:42Z,host='ubuntu-bionic-fortnebula-regionone-0011677831',id=21b82ccc-b613-4266-abad-fe3c55314b48,load=0,resource_versions=<?>,resources_synced=<?>,started_at=2019-09-22T23:00:42Z,topic='l3_agent'), ['47a50800-c88d-454b-bd42-4607da097fb9'], True)
In regards to previous comment, this is how the router synch data is retrieved:
Sep 22 23:23:03.184754 ubuntu- bionic- fortnebula- regionone- 0011677831 neutron- server[ 16342]: DEBUG neutron. db.l3_dvr_ db [None req-2cb213b2- ce5b-472c- 8f98-fc36757074 64 None None] neutron. services. l3_router. l3_router_ plugin. L3RouterPlugin method _get_dvr_sync_data called with arguments (<neutron_ lib.context. Context object at 0x7f7bd1117438>, 'ubuntu- bionic- fortnebula- regionone- 0011677831' , Agent(admin_ state_up= True,agent_ type='L3 agent', availability_ zone='nova' ,binary= 'neutron- l3-agent' ,configurations ={"agent_ mode": "dvr_snat", "ex_gw_ports": 7, "floating_ips": 4, "handle_ internal_ only_routers" : true, "interface_driver": "openvswitch", "interfaces": 10, "log_agent_ heartbeats" : false, "routers": 7},created_ at=2019- 09-22T23: 00:42Z, description= <?>,heartbeat_ timestamp= 2019-09- 22T23:22: 42Z,host= 'ubuntu- bionic- fortnebula- regionone- 0011677831' ,id=21b82ccc- b613-4266- abad-fe3c55314b 48,load= 0,resource_ versions= <?>,resources_ synced= <?>,started_ at=2019- 09-22T23: 00:42Z, topic=' l3_agent' ), ['47a50800- c88d-454b- bd42-4607da097f b9'], True)