iptables-translate -t nat -A POSTROUTING -j MASQUERADE
nft 'add rule ip nat POSTROUTING counter masquerade'

iptables-translate -t nat -A POSTROUTING -p tcp -j MASQUERADE --to-ports 10
nft 'add rule ip nat POSTROUTING ip protocol tcp counter masquerade to :10'

iptables-translate -t nat -A POSTROUTING -p tcp -j MASQUERADE --to-ports 10-20 --random
nft 'add rule ip nat POSTROUTING ip protocol tcp counter masquerade to :10-20 random'

iptables-translate -t nat -A POSTROUTING -p tcp -j MASQUERADE --random
nft 'add rule ip nat POSTROUTING ip protocol tcp counter masquerade random'

iptables-translate -t nat -A POSTROUTING -p tcp -j MASQUERADE --random-fully
nft 'add rule ip nat POSTROUTING ip protocol tcp counter masquerade fully-random'

iptables-translate -t nat -A POSTROUTING -p tcp -j MASQUERADE --random --random-fully
nft 'add rule ip nat POSTROUTING ip protocol tcp counter masquerade random,fully-random'