2021.10.11 07:27:15.428 *D* [topology.fdb      ] FDB: 1415 entries read from dot1qTpFdbTable
2021.10.11 07:27:15.434 *D* [topology.fdb      ] FDB: 0 entries read from dot1dTpFdbTable
2021.10.11 07:27:15.434 *D* [poll.topology      ] Switch forwarding database retrieved for node **** [169]
2021.10.11 07:27:15.434 *D* [topology.lldp      ] Collecting LLDP topology information for node **** [169]
2021.10.11 07:27:15.862 *D* [topology.lldp      ] 189 entries in LLDP connection database for node **** [169]
2021.10.11 07:27:15.862 *D* [topology.lldp      ] ProcessLLDPConnectionEntry(**** [169]): remoteId=4@00109B9FDB70: FindNodeByLLDPId failed, fallback to interface MAC address ("xxxxxxx")
2021.10.11 07:27:15.862 *D* [topology.lldp      ] ProcessLLDPConnectionEntry(**** [169]): remoteId=4@00109B9FDB70: FindNodeByLLDPId and FindNodeByMAC failed, fallback to sysName ("null")
2021.10.11 07:27:15.862 *D* [topology.lldp      ] ProcessLLDPConnectionEntry(**** [169]): remote node not found
2021.10.11 07:27:15.862 *D* [topology.lldp      ] ProcessLLDPConnectionEntry(**** [169]): remoteId=4@00109B9FDB14: FindNodeByLLDPId failed, fallback to interface MAC address ("xxxxxxx")
2021.10.11 07:27:15.862 *D* [topology.lldp      ] ProcessLLDPConnectionEntry(**** [169]): remoteId=4@00109B9FDB14: FindNodeByLLDPId and FindNodeByMAC failed, fallback to sysName ("null")
2021.10.11 07:27:15.862 *D* [topology.lldp      ] ProcessLLDPConnectionEntry(**** [169]): remote node not found
2021.10.11 07:27:15.862 *D* [topology.lldp      ] ProcessLLDPConnectionEntry(**** [169]): remoteId=4@00109B67A15E: FindNodeByLLDPId failed, fallback to interface MAC address ("xxxxxxx")
2021.10.11 07:27:15.862 *D* [topology.lldp      ] ProcessLLDPConnectionEntry(**** [169]): remoteId=4@00109B67A15E: FindNodeByLLDPId and FindNodeByMAC failed, fallback to sysName ("null")
2021.10.11 07:27:15.862 *D* [topology.lldp      ] ProcessLLDPConnectionEntry(**** [169]): remote node not found
2021.10.11 07:27:15.862 *D* [topology.lldp      ] ProcessLLDPConnectionEntry(**** [169]): remoteId=4@00109B67A0C2: FindNodeByLLDPId failed, fallback to interface MAC address ("xxxxxxx")
2021.10.11 07:27:15.862 *D* [topology.lldp      ] ProcessLLDPConnectionEntry(**** [169]): remoteId=4@00109B67A0C2: FindNodeByLLDPId and FindNodeByMAC failed, fallback to sysName ("null")
2021.10.11 07:27:15.862 *D* [topology.lldp      ] ProcessLLDPConnectionEntry(**** [169]): remote node not found
2021.10.11 07:27:15.862 *D* [topology.lldp      ] ProcessLLDPConnectionEntry(**** [169]): remoteId=7@33363532333234422D343133372D354134332D333333362D33303338333135333336343300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000: FindNodeByLLDPId and FindNodeByMAC failed, fallback to sysName ("null")

on Cisco Nexus:
>show lldp entry
....
Chassis id: 0010.9b67.a0c2
Port id: 0010.9b67.a0c2
Local Port id: Eth1/6
Port Description: not advertised
System Name: not advertised
System Description: Emulex OneConnect 10Gb Multi function Adapter
Time remaining: 87 seconds
System Capabilities: S
Enabled Capabilities: S
Management Address: not advertised
Management Address IPV6: not advertised
Vlan ID: not advertised

!!!! problematic entry !!!
Chassis id: 3652324B-4137-5A43-3336-303831533643
Port id: 8cdc.d40e.cc20
Local Port id: Eth1/7
Port Description: Unknown, Port 1
System Name: not advertised
System Description: 3PAR StoreServ File CTRL v3
Time remaining: 75 seconds
System Capabilities: not advertised
Enabled Capabilities: not advertised
Management Address: ****
Management Address IPV6: not advertised
Vlan ID: not advertised