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'