$ poudriere testport -j 122amd64 x11-drivers/xf86-input-vmmouse
====> Running Q/A tests (stage-qa)
====> Checking for pkg-plist issues (check-plist)
===> Parsing plist
===> Checking for items in STAGEDIR missing from pkg-plist
Error: Orphaned: lib/hal/hal-probe-vmmouse
===> Checking for items in pkg-plist which are not in STAGEDIR
===> Error: Plist issues found.
*** Error code 1
Is this port maintained? A fix would be either to populate pkg-plist as suggested or silence the warning via @comment (less maintenance than patching vendor makefile).