Not the first time he has been in trouble. They were saying on the Morning Show this morning that he doesn't qualify as a repeat offender because of the amount of time that has passed since these suspensions.
https://en.wikipedia.org/wiki/Duncan_Keith
On March 23, 2012, Keith was suspended five games for delivering an elbow to the head of Canuck forward Daniel Sedin. Head of the Department of Player Safety Brendan Shanahan observed that the hit was "dangerous, reckless, and caused injury" in his video release.[11]
On June 4, 2013, Keith received a one-game suspension for high sticking the Los Angeles Kings' Jeff Carter during Game 3 of the Western Conference Finals.