Failover Mode between ether/wlan panics

From: Nuno Teixeira <eduardo_at_freebsd.org>
Date: Mon, 01 Aug 2022 00:05:07 UTC
Hello,

I'm trying to setup a failover mode ethernet/wireless as shown in
https://docs.freebsd.org/en/books/handbook/book/#networking-lagg-wired-and-wireless
and I got a panic.

/etc/rc.conf:
---
ifconfig_re0="ether <wlan0 mac address>"
wlans_iwlwifi0="wlan0"
ifconfig_wlan0="WPA"
create_args_wlan0="country PT"
cloned_interfaces="lagg0"
ifconfig_lagg0="up laggproto failover laggport re0 laggport wlan0 DHCP"
---

Any ideas of what's wrong?
BTW, no kernel dump and I have dumpdev="AUTO" in /etc/rc.conf...

Thanks in advance,
Nuno Teixeira