nsd: common.concat(['constituent-vnfd', 'vnffgd', 'vld']),
vld: common.concat([]),
vnfd: common.concat(['vdu', 'internal-vld']),
nsd: common.concat(['constituent-vnfd', 'vnffgd', 'vld']),
vld: common.concat([]),
vnfd: common.concat(['vdu', 'internal-vld']),