Last night I noticed my CPU utilization was at 98%, which is rare and seems unrelated to what I am presenting here, so I pulled up my logs. It looks like for the past day or so I have the entries below. They started at a low port number and are counting up on every entry. Shutting down my VM's and Containers makes no difference nor does rebooting the whole system. Any ideas out there?
Feb 8 07:36:09 unNutmeg avahi-daemon[1615]: Received response from host 192.168.1.1 with invalid source port 4339 on interface 'br0.0'
Feb 8 07:36:09 unNutmeg avahi-daemon[1615]: Received response from host 192.168.1.1 with invalid source port 4340 on interface 'br0.0'
Feb 8 07:37:48 unNutmeg avahi-daemon[1615]: Received response from host 192.168.1.1 with invalid source port 4340 on interface 'br0.0'
Feb 8 07:37:49 unNutmeg avahi-daemon[1615]: Received response from host 192.168.1.1 with invalid source port 4341 on interface 'br0.0'
Feb 8 07:39:26 unNutmeg avahi-daemon[1615]: Received response from host 192.168.1.1 with invalid source port 4341 on interface 'br0.0'
Feb 8 07:39:27 unNutmeg avahi-daemon[1615]: Received response from host 192.168.1.1 with invalid source port 4342 on interface 'br0.0'
Feb 8 07:41:05 unNutmeg avahi-daemon[1615]: Received response from host 192.168.1.1 with invalid source port 4342 on interface 'br0.0'
Feb 8 07:41:06 unNutmeg avahi-daemon[1615]: Received response from host 192.168.1.1 with invalid source port 4343 on interface 'br0.0'
Feb 8 07:41:48 unNutmeg avahi-daemon[1615]: Received response from host 192.168.1.1 with invalid source port 4343 on interface 'br0.0'
Feb 8 07:41:50 unNutmeg avahi-daemon[1615]: Received response from host 192.168.1.1 with invalid source port 4345 on interface 'br0.0'
Feb 8 07:41:51 unNutmeg avahi-daemon[1615]: Received response from host 192.168.1.1 with invalid source port 4345 on interface 'br0.0'
Feb 8 07:42:46 unNutmeg avahi-daemon[1615]: Received response from host 192.168.1.1 with invalid source port 4345 on interface 'br0.0'
Feb 8 07:43:09 unNutmeg avahi-daemon[1615]: Received response from host 192.168.1.1 with invalid source port 4346 on interface 'br0.0'
Feb 8 07:43:28 unNutmeg avahi-daemon[1615]: Received response from host 192.168.1.1 with invalid source port 4347 on interface 'br0.0'