pfsync and ifstated

[Kapetanakis Giannis]

Hi,

I'm testing a new setup of a pair of firewalls (master/backup) using 
carp, pfsync etc.

Can I use ifstated to monitor virtual interfaces like pfsync0 and enc0?

I want the master after it reboots (if backup is up) to wait for pfsync0 
interface to come up, get the missing states from backup firewall and 
only then advskew carp. This is because pfsync runs on ipsec, which 
sometimes takes about 2 minutes to become operational (at least on some 
of my tests).

thanx

Giannis