OS-7667 IPFilter needs to keep and report state for cloud firewall logging
Portions contributed by: Mike Gerdts <mike.gerdts@joyent.com>

@@ -78,10 +78,11 @@
 s dev/igb=../devices/pseudo/clone@0:igb
 s dev/ip6=../devices/pseudo/ip6@0:ip6
 s dev/ip=../devices/pseudo/ip@0:ip
 s dev/ipauth=../devices/pseudo/ipf@0:ipauth
 s dev/ipf=../devices/pseudo/ipf@0:ipf
+s dev/ipfev=../devices/pseudo/ipf@0:ipfev
 s dev/ipl=../devices/pseudo/ipf@0:ipf
 s dev/iplookup=../devices/pseudo/ipf@0:iplookup
 s dev/ipmpstub=../devices/pseudo/dlpistub@0:ipmpstub
 s dev/ipnat=../devices/pseudo/ipf@0:ipnat
 s dev/ipscan=../devices/pseudo/ipf@0:ipscan