kern/59664: kernel keeps spewing can't handle af18

[christos%zoulas.com@localhost]

>Number:         59664
>Category:       kern
>Synopsis:       kernel keeps spewing can't handle af18
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Sep 21 17:15:00 +0000 2025
>Originator:     Christos Zoulas
>Release:        NetBSD 11.99.2
>Organization:
	Network Spammers, LLC.
>Environment:
System: NetBSD quasar.astron.com 11.99.2 NetBSD 11.99.2 (QUASAR) #55: Sun Sep 21 10:45:27 EDT 2025 christos%quasar.astron.com@localhost:/usr/src/sys/arch/amd64/compile/QUASAR amd64
Architecture: x86_64
Machine: amd64
>Description:
	Since early August I think the kernel has been spewing:

[  6997.112809] ether_output: wm1: can't handle af18 (link: link#2)
[  6997.159684] ether_output: wm1: can't handle af18 (link: link#2)
[  6998.147196] ether_output: wm1: can't handle af18 (link: link#2)
[  6998.391980] ether_output: wm1: can't handle af18 (link: link#2)
[  6998.981565] ether_output: wm1: can't handle af18 (link: link#2)

Routing tables

Internet:
Destination        Gateway            Flags    Refs      Use    Mtu Interface
default            68.173.96.1        UG          -        -      -  wm0
10/8               192.168.2.9        UGS         -        -      -  wm1
10.2.0/24          10.2.0.1           U           -        -      -  wg0
10.2.0.1           wg0                UHl         -        -      -  wg0
68.173.96/21       link#1             UC          -        -      -  wm0
68.173.98.100      link#1             UHl         -        -      -  lo0
100.64/10          192.168.2.9        UGS         -        -      -  wm1
127/8              127.0.0.1          UGRS        -        -  33624  lo0
127.0.0.1          lo0                UHl         -        -  33624  lo0
172.16/12          192.168.2.9        UGS         -        -      -  wm1
192.168/16         192.168.2.9        UGS         -        -      -  wm1
192.168.2/24       link#2             UC          -        -      -  wm1
192.168.2.4        link#2             UHl         -        -      -  lo0
192.168.3/24       10.2.0.2           UGS         -        -      -  wg0
>How-To-Repeat:
	Nothing to do
>Fix:
	Yes, please.