devfs_ruleset not working in the new jail.conf (FreeBSD 10.0-RELEASE)

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         Hi,

         I have used freeb up to 9 release by now. I now installed 
FreeBSD 10.0-RELEASE and I am very disappointed with the new jail setup.
         One of the reasons is that using devfs_ruleset  has no effect 
in jail.conf.
example:

DDNS {
host.hostname  = "DDNS";
ip4.addr = "192.168.5.10";
ip4 = "inherit";
path = "/usr/local/JAIL/DDCLIENT/";
exec.start = "/bin/ddstart.sh &";
exec.consolelog = "/var/log/jail.DDNS.console.log";
devfs_ruleset = "5";
mount.devfs;
}


and devfs.rules:
[devfsrules_jailddns=5]
add hide
add path random unhide
add path urandom unhide


The result is mounting the hole jail tree in the jail... So much for 
security in this release.

Even using the old jail setup in rc.conf , the /etc/rc.d/jail fails to 
hide dev and mounts dev tree untouched under the jail:

jail_DDNS_rootdir="/usr/local/JAIL/DDCLIENT/"
jail_DDNS_hostname="DDNS"
jail_DDNS_ip="192.168.5.10"
jail_DDNS_exec_start="/bin/ddstart.sh &"
jail_DDNS_devfs_enable="YES"
jail_DDNS_devfs_ruleset="5"