Fix pf anchors detection

Author: pizzamig

share/pot/common.sh

@@ -379,9 +379,9 @@ _is_vnet_up()
 		return 1 # false
 	elif [ ! -c /dev/pf ]; then
 		return 1 # false
-	elif pfctl -s Anchors | grep -q -F '^[ \t]*pot-nat$' ; then
+	elif ! pfctl -s Anchors | grep -q '^[ \t]*pot-nat$' ; then
 		return 1 # false
-	elif pfctl -s Anchors | grep -q -F '^[ \t]*pot-rdr$' ; then
+	elif ! pfctl -s Anchors | grep -q '^[ \t]*pot-rdr$' ; then
 		return 1 # false
 	elif [ -z "$(pfctl -s nat -a pot-nat)" ]; then
 		return 1 # false

share/pot/vnet-start.sh

@@ -74,8 +74,8 @@ pot-vnet-start()
 	# load pf module
 	kldload -n pf
 	# check anchors
-	if pfctl -s Anchors | grep -q -F '^[ \t]*pot-nat$' ||
-		pfctl -s Anchors | grep -F '^[ \t]*pot-rdr$' ; then
+	if ! pfctl -s Anchors | grep -q '^[ \t]*pot-nat$' ||
+		! pfctl -s Anchors | grep -q '^[ \t]*pot-rdr$' ; then
 		_debug "Pot anchors are missing - load pf.conf"
 		pfctl -f pf.conf
 	fi