Snmpbulkwalk triggered from discovery.php tries to get non-existant OID on LLDP targets

Help
6

Try switching the addhost snmp order to check v3 first. (v2c is the first currently)

$config['snmp']['version'] = ['v3', 'v2c', 'v1'];

Also, you might have set this to just v2c in your config.php.