K 10
svn:author
V 3
mav
K 8
svn:date
V 27
2009-01-31T12:48:09.235496Z
K 7
svn:log
V 203
MFC rev. 187495

Check for infinite recursion possible on some broken PPTP/L2TP/... VPN setups.
Mark packets with mbuf_tag on first interface passage and drop on second.

PR:		ports/129625, ports/125303

END