iptables-translate -t nat -A OUTPUT -p tcp --dport 80 -m owner --uid-owner root -j ACCEPT
nft add rule ip nat OUTPUT tcp dport 80 skuid 0 counter accept

iptables-translate -t nat -A OUTPUT -p tcp --dport 80 -m owner --gid-owner 0-10 -j ACCEPT
nft add rule ip nat OUTPUT tcp dport 80 skgid 0-10 counter accept

iptables-translate -t nat -A OUTPUT -p tcp --dport 80 -m owner ! --uid-owner 1000 -j ACCEPT
nft add rule ip nat OUTPUT tcp dport 80 skuid != 1000 counter accept