lxc passthrough autostart problem ttys0 ttyusb0

Hi all, I tried to passthrough /dev/ttyS0 and /dev/ttyUSB0 to container by: lxc-device add -n 204 /dev/ttyS0 lxc-device add -n 204 /dev/ttyUSB0 It works well. For making it avaible after container restart I added this to /var/lib/lxc/204/config by adding lines: lxc.cgroup.devices.allow = c...