ETH_FILTER_RULES_CMD_UCAST_DROP_ALL
state = ETH_FILTER_RULES_CMD_UCAST_DROP_ALL |
state &= ~ETH_FILTER_RULES_CMD_UCAST_DROP_ALL;
state &= ~ETH_FILTER_RULES_CMD_UCAST_DROP_ALL;
state &= ~ETH_FILTER_RULES_CMD_UCAST_DROP_ALL;