Есть два интерфейса: eth0 (WAN) и eth1 (LAN). Когда я обнуляю правила iptables,
iptables -F
iptables -t nat -F
[121275.201795] r8169: eth1: link down
[121275.201975] ADDRCONF(NETDEV_UP): eth1: link is not ready
eth1 Link encap:Ethernet HWaddr 00:1e:8c:d3:ec:94
inet addr:192.168.0.1 Bcast:192.168.0.255 Mask:255.255.255.0
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:35627 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:2137620 (2.0 MiB) TX bytes:0 (0.0 B)
Interrupt:16 Base address:0xe800
05:04.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8110SC/8169SC Gigabit Ethernet (rev 10)