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#!/bin/bash
# v5.3-rc1~140^2~153^2~8
# 79ebb5bb4e38 ("netfilter: nf_tables: enable set expiration time for set elements")
RULESET="table ip x {
set y {
type ipv4_addr
flags dynamic
timeout 1h
}
}"
$NFT -f - <<< $RULESET
$NFT add element ip x y { 1.1.1.1 timeout 1h expires 15m59s }
$NFT list ruleset | grep "expires 15m"
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