# iptables-translate -t mangle -A PREROUTING -j TEE --gateway 192.168.0.2 --oif eth0
# nft add rule ip mangle PREROUTING counter dup to 192.168.0.2 device eth0
#
# iptables-translate -t mangle -A PREROUTING -j TEE --gateway 192.168.0.2
# nft add rule ip mangle PREROUTING counter dup to 192.168.0.2

ip6tables-translate -t mangle -A PREROUTING -j TEE --gateway ab12:00a1:1112:acba::
nft add rule ip6 mangle PREROUTING counter dup to ab12:a1:1112:acba::

ip6tables-translate -t mangle -A PREROUTING -j TEE --gateway ab12:00a1:1112:acba:: --oif eth0
nft add rule ip6 mangle PREROUTING counter dup to ab12:a1:1112:acba:: device eth0