I get it like half the time. The timer says 0, yet I'm waiting 2-5 seconds still to respawn. These are also the matches I feel like I have the most odd lag type issues, such as peoples swords hitting a little bit further than I recall them being able to. I still have 4 bars, so I don't know why it's doing this.
And it'll usually stay this way until I find a new group to play LD with or something.
read http://forums.spiralknights.com/en/node/54495#comment-381869