# portmaster -DaG
===>>> Starting check of installed ports for available updates
       ===>>> The databases/db47 port moved to databases/db48
       ===>>> Reason: Superseded by databases/db48
===>>> Launching child to reinstall db47-4.7.25.4
===>>> All >> db47-4.7.25.4 (1/1)
       ===>>> The databases/db47 port moved to databases/db48
       ===>>> Reason: Superseded by databases/db48
===>>> Currently installed version: db48-4.8.30.0_2
===>>> Port directory: /usr/ports/databases/db48
===>>> Launching 'make checksum' for databases/db48 in background
===>>> Gathering dependency list for databases/db48 from ports
===>>> Initial dependency check complete for databases/db48
===>>> Returning to update check of installed ports
===>>> All >> (1)
===>>> The following actions will be taken if you choose to proceed:
 Re-install db48-4.8.30.0_2
===>>> Proceed? y/n [y]
Solution...
# portmaster -o databases/db48 databases/db47