Fix list clone issue in node_object for unmanaged interfaces
Fix list clone issue in node_object for unmanaged interfaces

SUSE-Cloud/crowbar,toabctl/crowbar,tserong/crowbar,rsalevsky/crowbar,mmnelemane/crowbar,mmnelemane/crowbar,vwallfahrer/crowbar,crowbar/crowbar,nkrinner/crowbar,crowbar/crowbar,rhafer/crowbar,SUSE-Cloud/crowbar,dirkmueller/crowbar,rhafer/crowbar,rsalevsky/crowbar,MaximilianMeister/crowbar,rhafer/crowbar,tserong/crowbar,aplanas/crowbar,dirkmueller/crowbar,aspiers/crowbar,nkrinner/crowbar,MaximilianMeister/crowbar,vwallfahrer/crowbar,aplanas/crowbar,toabctl/crowbar,aspiers/crowbar