$ pkg_info -W /usr/local/sbin/portversion
/usr/local/sbin/portversion was installed by package portupgrade-2.3.1,2
$ pkg_info -W /usr/local/sbin/pkgdb
/usr/local/sbin/pkgdb was installed by package portupgrade-2.3.1,2
$ sudo portversion -v
Stale dependency: php5-mysql-5.2.3 <-- zabbix-1.4,1 -- manually run 'pkgdb -F' to fix, or specify -O to force.
$ sudo pkgdb -F
--->  Checking the package registry database
$ pkg_info -Rrx zabbix | grep mysql
$