Cloud-Native VNFs OSContainerDesc and minor changes.
Changes from Mega CR FEAT17 NFVIFA(20)000479r6: Change4, 6 and 10 along with NFVIFA(21)000767r1 and NFVIFA(22)000172r1
Changes from Mega CR FEAT17 NFVIFA(20)000479r6: Change4, 6 and 10 along with NFVIFA(21)000767r1 and NFVIFA(22)000172r1