On both sides. From The Australian:
Federal government ministers are coming under pressure from colleagues to resign over the national energy guarantee in a counter-campaign by rebel backbenchers that risks further eroding Malcolm Turnbull’s authority as his attempts to win the support of wavering Coalition MPs appeared to be failing.
As the Prime Minister held a second round of crisis talks late yesterday with four of the 10 MPs who have reserved their right to cross the floor, senior government sources told The Australian that Keith Pitt — Assistant Minister to Deputy Prime Minister Michael McCormack — was considering resigning from the frontbench over his opposition to the NEG.