Bernie is definitely not as dovish as Corbyn, but he's far more dovish than the establishment wants anyone to be.
Which is irrelavent as being dovish is not the point of anyone on the left. War is not bad because it is war (war against Hitler, fascism, ISIS, the Taliban) is justified, war is unjust when it serves destabilise a religion for the benefit of the military industrial complex and war profiteers so they ensure the maintenance of a capitalist-corporatist economy to serve the interests of the global elite.