I got a former coworker an interview with my company. It was an IT job with an on-call rotation. During the interview, his phone chimes. Instead of apologizing and putting it on Silent, he pulls it out in the middle of the interview to type a reply. We ask what he’s doing and he says it is work, he’ll just tell them he’s got a flat tire or something.
He later admitted that he had just gotten back from vacation and was severely jet-lagged, but let’s just say he didn’t give them a great impression. My team elbowed me for years about that one guy that I got to interview for the team.