hi = vnet_get_sup_hw_interface (vnet_main, sw_if_index);
config = l2input_intf_config (sw_if_index);
+ if (l2fib_main.mac_table_initialized == 0)
+ l2fib_table_init ();
+
if (config->bridge)
{
/* Interface is already in bridge mode. Undo the existing config. */