May 7 22:03:49 Dell2850 kernel: ip_tables: (C) 2000-2002 Netfilter core team
May 7 22:03:56 Dell2850 kernel: e1000: eth0: e1000_watchdog: NIC Link is Down
May 7 22:03:58 Dell2850 kernel: e1000: eth0: e1000_watchdog: NIC Link is Up 100 Mbps Full Duplex
里面有大量的
kernel:e1000: eth0: e1000_watchdog: NIC Link is Down
kernel:e1000: eth0: e1000_watchdog: NIC Link is Up 100 Mbps Full Duplex
每隔几秒钟,就出现这两行。直到机器的eth0 down再也起不来。