I can confirm this problem. It occurs when the module ip_conntrack is not loaded into the kernel. "sudo modprobe ip_conntrack" does this. IN order to load this module at every boot time you can inlcude a line "ip_conntrack" into the file /etc/modules.
I can confirm this problem. It occurs when the module ip_conntrack is not loaded into the kernel. "sudo modprobe ip_conntrack" does this. IN order to load this module at every boot time you can inlcude a line "ip_conntrack" into the file /etc/modules.