Trump has completely lost it!
He starts a war at the behest of Israel that has consequences that the US military would undoubtedly have forecasted, but he thought he knew better. Then when they happen he starts to threaten allies. Who very politely push back.
This has nothing whatsoever to do with NATO. Members of NATO, alongside many others around the world, have a very strong interest in seeing the consequences of the war mitigated as quickly as possible. Will anyone actually commit resources? I doubt it myself.
There may well be an international effort to try to mediate but knowing Trump, and Netanyahu, I doubt they will even listen.
It’s a mess.