While my friends and I walked over an open field, I got massive desync (red chain). I saw their chars walking on a spot, while they saw me normal and moved on about 50m and waited for me there.

Here is the weird: I was joking about knocking out one of them, while hitting the obviously "wrong" char, walking on a spot. I didn't got hit feedback, but one of my friends started yelling at me in teamspeak, because he received these hits and went uncosiuos !50m from there!.

How is that possible?
That would mean, even if I went into cover properly, my enemy is still able to kill me while he get desync.