iptables-translate -A INPUT -m pkttype --pkt-type broadcast -j DROP
nft add rule ip filter INPUT pkttype broadcast counter drop

iptables-translate -A INPUT -m pkttype ! --pkt-type unicast -j DROP
nft add rule ip filter INPUT pkttype != unicast counter drop

iptables-translate -A INPUT -m pkttype --pkt-type multicast -j ACCEPT
nft add rule ip filter INPUT pkttype multicast counter accept