--- /tmp/iptables-allports.conf 2011-03-27 17:27:24.311268561 +0200
+++ action.d/iptables-allports.conf     2011-03-26 02:03:09.863097877 +0100
@@ -16,6 +16,7 @@
 actionstart = iptables -N fail2ban-<name>
               iptables -A fail2ban-<name> -j RETURN
               iptables -I INPUT -p <protocol> -j fail2ban-<name>
+              sleep 2
 
 # Option:  actionstop
 # Notes.:  command executed once at the end of Fail2Ban