If the config shown is really the one that was used for the output, then you should see also the same amount of packets with digest and verify. Your transform-set has an encryption-transform and an authentication-transform so you really should see sem. The digest/verify should only be "0" if no authentication-transform is used. But that's not a best practice although there are many examples from Cisco configuring it that way.
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Table of ContentsIntroductionVersion HistoryPossible Future
UpdatesDocuments PurposeNAT Operation in ASA 8.3+ SectionsRule Types
Network Object NATTwice NAT / Manual NATRule Types used per SectionNAT
Types used with Twice NAT / Manual NAT and Network Obje...
Table of Contents Introduction:This document describes details on how
NAT-T works. Background: ESP encrypts all critical information,
encapsulating the entire inner TCP/UDP datagram within an ESP header.
ESP is an IP protocol in the same sense that TCP an...