K 10
svn:author
V 7
glebius
K 8
svn:date
V 27
2012-11-07T07:30:40.176667Z
K 7
svn:log
V 328
It may happen that pfsync holds the last reference on a state. In this
case keys had already been freed. If encountering such state, then
just release last reference.

Not sure this can happen as a runtime race, but can be reproduced by
the following scenario:

- enable pfsync
- disable pfsync
- wait some time
- enable pfsync

END