The unit - which leads the NFL in jumping offsides - got off to a rocky start when it tallied five penalties (two declined) in its opening series.
"I was frustrated," Cunningham said.
It started with an uncharacteristic offsides penalty by veteran defensive end
A defensive holding penalty was also declined before the Lions forced a Seattle punt.
Detroit gave the ball right back, however, when defensive end
On the very next play,
It was then that the boo birds really came out at Ford Field.
"I was about ready to go up there with them and start booing," said Cunningham of the fans. "(The penalties were) unacceptable."
As a team that thrives on getting off the ball on the count, the Lions' linemen are eager at the line of scrimmage.
But there is a situational difference, said Cunningham, between being on the road and being at home.
"One of the things that we said we don't want to do is jump offsides in our own stadium," he said.
After that drive, Cunningham made sure to reiterate what head coach Jim Schwartz and the coaching staff stress on a regular basis.
He called the defense to a huddle on the sideline and the broadcast cameras caught him laying into his players.
"We didn't jump offsides again," said Cunningham.
Detroit went on to commit just two penalties the remainder of the game: one was a false start on the offense and the other a pass interference penalty on rookie cornerback