2 Thessalonians 1:9
They will be punished with everlasting destruction and shut out from the presence of the Lord and from the glory of his might.
Your translation of eternity is pretty off my friend.
Sodom's fiery judgment is "eternal" (Jude 7), that is--until--God "will restore the fortunes of Sodom" (Ez.16:53‑55);
Israel's "affliction is incurable" (Jer. 30:12), that is‑‑until‑‑the Lord "will restore health" and heal her wounds (Jer. 30:17);
The sin of Samaria "is incurable" (Mic. 1:9) that is‑‑until‑‑ Lord "will restore ... the fortunes of Samaria." (Ez. 16:53);
Ammon is to become a "wasteland forever" and "rise no more" (Zeph. 2:9, Jer. 25:27) that is‑until‑‑the Lord will "restore the fortunes of the Ammonites" (Jer. 49:6);
An Ammonite or Moabite is forbidden to enter the Lord's congregation "forever", that is‑‑until‑‑the tenth generation (Deut. 23:3):
Habakkuk tells us of mountains that were "everlasting", that is‑‑until‑‑they "were shattered" Hab. 3:6);
The fire for Israel's sin offering (of a ram without blemish) is never to be put out. It shall be ”perpetual" that is‑‑until‑‑Christ, the Lamb of God, dies for our sins. We now have a better covenant established on better promises (Lev. 6:12‑13, Heb. 8:6‑13);
God's waves of wrath roll over Jonah "forever," that is--until-‑the Lord delivers him from the large fish's belly on the third day (Jonah 2:6,10; 1: 17);
Egypt and Elam will "rise no more" (Jer. 25:27)‑‑until‑‑the Lord will "restore the fortunes of Egypt" (Ez. 29:14) and "restore the fortunes of Elam" (Jer. 49:39).
"Moab is destroyed" (Jer. 48:4, 42)‑‑until‑‑the Lord "will restore the fortunes of Moab" (Jer. 48:47);
Israel's judgment lasts "forever"‑‑until‑‑the Spirit is poured out and God restores it (Isa. 32:13‑15).