print " External interfaces:"
for interface in vnf['external-connections']:
print " %s %s %s %s" %(interface['external_name'].ljust(20), interface['vm_name'].ljust(20), interface['internal_name'].ljust(20), \
print " External interfaces:"
for interface in vnf['external-connections']:
print " %s %s %s %s" %(interface['external_name'].ljust(20), interface['vm_name'].ljust(20), interface['internal_name'].ljust(20), \