Add PACKET_TAG_IPSEC_PENDING_TDB and PACKET_TAG_PACKET_CHECKSUM, as well as add comments on all tags.
Add PACKET_TAG_IPSEC_PENDING_TDB and PACKET_TAG_PACKET_CHECKSUM, as
well as add comments on all tags.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars