bugfix: handle missing epmd correctly on nodes
bugfix: handle missing epmd correctly on nodes

pavlobaron/disco_playground,ktkt2009/disco,mozilla/disco,beni55/disco,mwilliams3/disco,pavlobaron/disco_playground,oldmantaiter/disco,mozilla/disco,seabirdzh/disco,ktkt2009/disco,simudream/disco,mozilla/disco,scrapinghub/disco,pombredanne/disco,ErikDubbelboer/disco,beni55/disco,mozilla/disco,ErikDubbelboer/disco,ErikDubbelboer/disco,pombredanne/disco,discoproject/disco,pombredanne/disco,oldmantaiter/disco,discoproject/disco,scrapinghub/disco,discoproject/disco,pooya/disco,oldmantaiter/disco,mwilliams3/disco,pavlobaron/disco_playground,simudream/disco,mwilliams3/disco,beni55/disco,seabirdzh/disco,seabirdzh/disco,ktkt2009/disco,seabirdzh/disco,ErikDubbelboer/disco,oldmantaiter/disco,pombredanne/disco,mwilliams3/disco,pooya/disco,discoproject/disco,beni55/disco,beni55/disco,seabirdzh/disco,simudream/disco,discoproject/disco,simudream/disco,pooya/disco,ktkt2009/disco,simudream/disco,scrapinghub/disco,ErikDubbelboer/disco,pooya/disco,scrapinghub/disco,pombredanne/disco,ktkt2009/disco,oldmantaiter/disco,mwilliams3/disco,pavlobaron/disco_playground