Does
sudo iptables -t nat -I POSTROUTING 1 -s 192.168.122.0/24 -d 255.255.255.255 -j RETURN
(suggested by apw) also work for you?
Does
sudo iptables -t nat -I POSTROUTING 1 -s 192.168.122.0/24 -d 255.255.255.255 -j RETURN
(suggested by apw) also work for you?