"IIHF president Luc Tardif said last month that the team could be bumped from the men’s ice hockey tournament in Beijing because of its “insufficient sporting standard."
https://www.insidehook.com/daily_brief/sports/china-first-host-nation-removed-olympic-hockey
"Largely made up of players from the Beijing-based Kunlun Red Star team of Russia’s Kontinental Hockey League (KHL), China’s men’s ice hockey team is ranked 32nd in the world by the IIHF and has drawn the U.S., Canada and Germany as first-round opponents in the Games."
That would be a first, a country forced to withdraw from a competition.