Check for action_list before accessing it
Check for action_list before accessing it

Change-Id: I692ccf34cd569b1988d9cc2b29eee63af1bcac58
Closes-Bug: 1469850

nischalsheth/contrail-controller,vpramo/contrail-controller,DreamLab/contrail-controller,rombie/contrail-controller,vmahuli/contrail-controller,codilime/contrail-controller,nischalsheth/contrail-controller,vpramo/contrail-controller,hthompson6/contrail-controller,numansiddique/contrail-controller,nischalsheth/contrail-controller,numansiddique/contrail-controller,codilime/contrail-controller,hthompson6/contrail-controller,codilime/contrail-controller,codilime/contrail-controller,facetothefate/contrail-controller,numansiddique/contrail-controller,facetothefate/contrail-controller,facetothefate/contrail-controller,hthompson6/contrail-controller,eonpatapon/contrail-controller,tcpcloud/contrail-controller,DreamLab/contrail-controller,numansiddique/contrail-controller,eonpatapon/contrail-controller,rombie/contrail-controller,rombie/contrail-controller,codilime/contrail-controller,sajuptpm/contrail-controller,sajuptpm/contrail-controller,DreamLab/contrail-controller,eonpatapon/contrail-controller,tcpcloud/contrail-controller,tcpcloud/contrail-controller,tcpcloud/contrail-controller,rombie/contrail-controller,nischalsheth/contrail-controller,eonpatapon/contrail-controller,sajuptpm/contrail-controller,eonpatapon/contrail-controller,reiaaoyama/contrail-controller,reiaaoyama/contrail-controller,DreamLab/contrail-controller,tcpcloud/contrail-controller,reiaaoyama/contrail-controller,vmahuli/contrail-controller,vmahuli/contrail-controller,rombie/contrail-controller,facetothefate/contrail-controller,hthompson6/contrail-controller,nischalsheth/contrail-controller,reiaaoyama/contrail-controller,vpramo/contrail-controller,eonpatapon/contrail-controller,sajuptpm/contrail-controller,sajuptpm/contrail-controller,vmahuli/contrail-controller,vmahuli/contrail-controller,nischalsheth/contrail-controller,reiaaoyama/contrail-controller,rombie/contrail-controller,DreamLab/contrail-controller,sajuptpm/contrail-controller,tcpcloud/contrail-controller,numansiddique/contrail-controller,vpramo/contrail-controller,nischalsheth/contrail-controller,codilime/contrail-controller,eonpatapon/contrail-controller,facetothefate/contrail-controller,vpramo/contrail-controller,rombie/contrail-controller,nischalsheth/contrail-controller,hthompson6/contrail-controller