Only thing I can remotely find is:
Logger: homeassistant.helpers.event
Source: components/dhcp/__init__.py:155
First occurred: 11:23:01 AM (1 occurrences)
Last logged: 11:23:01 AM
Error while processing event <Event state_changed[L]: entity_id=device_tracker.lgwebostv, old_state=None, new_state=<state device_tracker.lgwebostv=home; source_type=router, ip=--, mac=48:8d:36:52:c0:bc, icon=mdi:help-network, friendly_name=48:8d:36:52:c0:bc @ 2022-07-25T11:23:01.119127-07:00>> for domain device_tracker
Traceback (most recent call last):
File "/usr/src/homeassistant/homeassistant/helpers/event.py", line 415, in _async_dispatch_domain_event
hass.async_run_hass_job(job, event)
File "/usr/src/homeassistant/homeassistant/core.py", line 544, in async_run_hass_job
hassjob.target(*args)
File "/usr/src/homeassistant/homeassistant/components/dhcp/__init__.py", line 311, in _async_process_device_event
self._async_process_device_state(event.data["new_state"])
File "/usr/src/homeassistant/homeassistant/components/dhcp/__init__.py", line 331, in _async_process_device_state
self.async_process_client(ip_address, hostname, _format_mac(mac_address))
File "/usr/src/homeassistant/homeassistant/components/dhcp/__init__.py", line 155, in async_process_client
made_ip_address = make_ip_address(ip_address)
File "/usr/local/lib/python3.9/ipaddress.py", line 53, in ip_address
raise ValueError('%r does not appear to be an IPv4 or IPv6 address' %
ValueError: '--' does not appear to be an IPv4 or IPv6 address