eth0이 갑자기 down되는 이유는?

리눅스 서버로 동영상을 약 100mbps로 멀티캐스팅을 하고 있습니다. (광케이블 연결)

그런데 언제부터인가 eth0이 다운이 되는데 원인을 알수가 없네요.

다음은 로그 화일입니다. 누가 분석 좀 도와주시면 감사하겠습니다.

Nov 20 04:03:28 vodsrv syslogd 1.4.1: restart.
Nov 20 14:07:10 vodsrv sshd(pam_unix)[14657]: session opened for user root by (uid=0)
Nov 20 14:08:50 vodsrv sshd(pam_unix)[14657]: session closed for user root
Nov 20 14:09:19 vodsrv sshd(pam_unix)[14947]: session opened for user root by (uid=0)
Nov 20 14:10:59 vodsrv sshd(pam_unix)[14947]: session closed for user root
Nov 20 19:32:15 vodsrv kernel: i8253 count too high! resetting..
Nov 20 19:37:12 vodsrv modprobe: modprobe: Can't locate module char-major-203
Nov 21 09:41:32 vodsrv kernel: nfs: server 61.109.154.200 not responding, still trying
Nov 21 09:41:33 vodsrv last message repeated 3 times
Nov 21 09:41:57 vodsrv kernel: NETDEV WATCHDOG: eth0: transmit timed out
Nov 21 09:41:57 vodsrv kernel: tg3: eth0: transmit timed out, resetting
Nov 21 09:41:57 vodsrv kernel: tg3: tg3_stop_block timed out, ofs=2000 enable_bit=2
Nov 21 09:41:57 vodsrv kernel: tg3: tg3_stop_block timed out, ofs=1400 enable_bit=2
Nov 21 09:41:57 vodsrv kernel: tg3: tg3_stop_block timed out, ofs=c00 enable_bit=2
Nov 21 09:41:57 vodsrv kernel: tg3: eth0: Link is down.
Nov 21 09:42:00 vodsrv kernel: tg3: eth0: Link is up at 1000 Mbps, full duplex.
Nov 21 09:42:00 vodsrv kernel: tg3: eth0: Flow control is off for TX and off for RX.
Nov 21 09:42:04 vodsrv kernel: nfs: server 61.109.154.200 OK
Nov 21 09:42:04 vodsrv last message repeated 3 times
Nov 21 10:25:17 vodsrv kernel: nfs: server 61.109.154.200 not responding, still trying
Nov 21 10:25:18 vodsrv last message repeated 3 times
Nov 21 10:26:15 vodsrv kernel: NETDEV WATCHDOG: eth0: transmit timed out
Nov 21 10:26:15 vodsrv kernel: tg3: eth0: transmit timed out, resetting
Nov 21 10:26:15 vodsrv kernel: tg3: tg3_stop_block timed out, ofs=2000 enable_bit=2
Nov 21 10:26:15 vodsrv kernel: tg3: tg3_stop_block timed out, ofs=1400 enable_bit=2
Nov 21 10:26:15 vodsrv kernel: tg3: tg3_stop_block timed out, ofs=c00 enable_bit=2
Nov 21 10:26:16 vodsrv kernel: tg3: eth0: Link is down.
Nov 21 10:26:18 vodsrv kernel: tg3: eth0: Link is up at 1000 Mbps, full duplex.
Nov 21 10:26:18 vodsrv kernel: tg3: eth0: Flow control is off for TX and off for RX.
Nov 21 10:26:23 vodsrv kernel: nfs: server 61.109.154.200 OK
Nov 21 10:26:23 vodsrv last message repeated 3 times
Nov 21 11:08:17 vodsrv ftpd[14735]: wu-ftpd - TLS settings: control allow, client_cert allow, data allow
Nov 21 11:08:17 vodsrv ftp(pam_unix)[14735]: session opened for user root by (uid=0)
Nov 21 11:08:17 vodsrv ftpd: 61.109.157.22: root[14735]: FTP LOGIN FROM 61.109.157.22 [61.109.157.22], root
Nov 21 11:27:26 vodsrv ftpd[16681]: wu-ftpd - TLS settings: control allow, client_cert allow, data allow
Nov 21 11:27:31 vodsrv ftp(pam_unix)[16681]: session opened for user root by (uid=0)
Nov 21 11:27:31 vodsrv ftpd: 61.109.157.22: root[16681]: FTP LOGIN FROM 61.109.157.22 [61.109.157.22], root
Nov 21 11:31:02 vodsrv ftpd: 61.109.157.22: root: IDLE[16681]: lost connection to 61.109.157.22 [61.109.157.22]
Nov 21 11:31:02 vodsrv ftp(pam_unix)[16681]: session closed for user root
Nov 21 11:31:02 vodsrv ftpd: 61.109.157.22: root: IDLE[16681]: FTP session closed
Nov 21 11:31:32 vodsrv ftpd[17092]: wu-ftpd - TLS settings: control allow, client_cert allow, data allow
Nov 21 11:31:33 vodsrv ftp(pam_unix)[17092]: session opened for user root by (uid=0)
Nov 21 11:31:33 vodsrv ftpd: 61.109.157.22: root[17092]: FTP LOGIN FROM 61.109.157.22 [61.109.157.22], root
Nov 21 11:32:04 vodsrv ftpd: 61.109.157.22: root: IDLE[17092]: lost connection to 61.109.157.22 [61.109.157.22]
Nov 21 11:32:04 vodsrv ftp(pam_unix)[17092]: session closed for user root
Nov 21 11:32:04 vodsrv ftpd: 61.109.157.22: root: IDLE[17092]: FTP session closed
Nov 21 15:24:29 vodsrv ftpd[8561]: wu-ftpd - TLS settings: control allow, client_cert allow, data allow
Nov 21 15:24:41 vodsrv ftp(pam_unix)[8561]: session opened for user root by (uid=0)
Nov 21 15:24:41 vodsrv ftpd: 61.109.157.22: root[8561]: FTP LOGIN FROM 61.109.157.22 [61.109.157.22], root
Nov 21 15:24:52 vodsrv ftpd[8596]: wu-ftpd - TLS settings: control allow, client_cert allow, data allow
Nov 21 15:25:08 vodsrv ftp(pam_unix)[8596]: session opened for user root by (uid=0)
Nov 21 15:25:08 vodsrv ftpd: 61.109.157.22: root[8596]: FTP LOGIN FROM 61.109.157.22 [61.109.157.22], root
Nov 21 15:27:21 vodsrv ftpd: 61.109.157.22: root: IDLE[8561]: lost connection to 61.109.157.22 [61.109.157.22]
Nov 21 15:27:21 vodsrv ftp(pam_unix)[8561]: session closed for user root
Nov 21 15:27:21 vodsrv ftpd: 61.109.157.22: root: IDLE[8561]: FTP session closed
Nov 21 15:27:27 vodsrv ftpd: 61.109.157.22: root: IDLE[8596]: lost connection to 61.109.157.22 [61.109.157.22]
Nov 21 15:27:27 vodsrv ftp(pam_unix)[8596]: session closed for user root
Nov 21 15:27:27 vodsrv ftpd: 61.109.157.22: root: IDLE[8596]: FTP session closed
Nov 21 15:27:50 vodsrv ftpd[8894]: wu-ftpd - TLS settings: control allow, client_cert allow, data allow
Nov 21 15:27:57 vodsrv ftpd[8912]: wu-ftpd - TLS settings: control allow, client_cert allow, data allow
Nov 21 15:28:11 vodsrv ftp(pam_unix)[8912]: session opened for user root by (uid=0)
Nov 21 15:28:11 vodsrv ftpd: 61.109.157.22: root[8912]: FTP LOGIN FROM 61.109.157.22 [61.109.157.22], root
Nov 21 15:28:14 vodsrv ftp(pam_unix)[8894]: session opened for user root by (uid=0)
Nov 21 15:28:14 vodsrv ftpd: 61.109.157.22: root[8894]: FTP LOGIN FROM 61.109.157.22 [61.109.157.22], root
Nov 21 15:28:45 vodsrv ftpd: 61.109.157.22: root: IDLE[8894]: lost connection to 61.109.157.22 [61.109.157.22]
Nov 21 15:28:45 vodsrv ftp(pam_unix)[8894]: session closed for user root
Nov 21 15:28:45 vodsrv ftpd: 61.109.157.22: root: IDLE[8894]: FTP session closed
Nov 21 15:30:10 vodsrv ftpd: 61.109.157.22: root: IDLE[8912]: lost connection to 61.109.157.22 [61.109.157.22]
Nov 21 15:30:10 vodsrv ftp(pam_unix)[8912]: session closed for user root
Nov 21 15:30:10 vodsrv ftpd: 61.109.157.22: root: IDLE[8912]: FTP session closed
Nov 21 15:42:26 vodsrv ftpd[10364]: wu-ftpd - TLS settings: control allow, client_cert allow, data allow
Nov 21 15:42:26 vodsrv ftp(pam_unix)[10364]: session opened for user root by (uid=0)
Nov 21 15:42:26 vodsrv ftpd: 61.109.157.9: root[10364]: FTP LOGIN FROM 61.109.157.9 [61.109.157.9], root
Nov 21 15:43:08 vodsrv ftpd[10433]: wu-ftpd - TLS settings: control allow, client_cert allow, data allow
Nov 21 15:43:34 vodsrv ftp(pam_unix)[10433]: session opened for user root by (uid=0)
Nov 21 15:43:34 vodsrv ftpd: 61.109.157.9: root[10433]: FTP LOGIN FROM 61.109.157.9 [61.109.157.9], root
Nov 21 15:48:07 vodsrv ftp(pam_unix)[10433]: session closed for user root
Nov 21 15:48:07 vodsrv ftpd: 61.109.157.9: root: IDLE[10433]: FTP session closed
Nov 21 15:52:46 vodsrv kernel: nfs: server 61.109.154.200 not responding, still trying
Nov 21 15:52:47 vodsrv last message repeated 3 times
Nov 21 15:54:03 vodsrv kernel: NETDEV WATCHDOG: eth0: transmit timed out
Nov 21 15:54:03 vodsrv kernel: tg3: eth0: transmit timed out, resetting
Nov 21 15:54:03 vodsrv kernel: tg3: tg3_stop_block timed out, ofs=2000 enable_bit=2
Nov 21 15:54:03 vodsrv kernel: tg3: tg3_stop_block timed out, ofs=1400 enable_bit=2
Nov 21 15:54:03 vodsrv kernel: tg3: tg3_stop_block timed out, ofs=c00 enable_bit=2
Nov 21 15:54:04 vodsrv kernel: tg3: eth0: Link is down.
Nov 21 15:54:06 vodsrv kernel: tg3: eth0: Link is up at 1000 Mbps, full duplex.
Nov 21 15:54:06 vodsrv kernel: tg3: eth0: Flow control is off for TX and off for RX.
Nov 21 15:54:11 vodsrv kernel: nfs: server 61.109.154.200 OK
Nov 21 15:54:11 vodsrv last message repeated 3 times
Nov 21 15:54:13 vodsrv ftpd[11511]: wu-ftpd - TLS settings: control allow, client_cert allow, data allow
Nov 21 15:54:13 vodsrv ftpd[11512]: wu-ftpd - TLS settings: control allow, client_cert allow, data allow
Nov 21 15:54:17 vodsrv ftp(pam_unix)[11512]: session opened for user root by (uid=0)
Nov 21 15:54:18 vodsrv ftpd: 61.109.157.9: root[11512]: FTP LOGIN FROM 61.109.157.9 [61.109.157.9], root
Nov 21 15:54:26 vodsrv ftp(pam_unix)[11511]: session opened for user root by (uid=0)
Nov 21 15:54:26 vodsrv ftpd: 61.109.157.22: root[11511]: FTP LOGIN FROM 61.109.157.22 [61.109.157.22], root
Nov 21 15:55:42 vodsrv ftpd[11666]: wu-ftpd - TLS settings: control allow, client_cert allow, data allow
Nov 21 15:56:02 vodsrv ftp(pam_unix)[11666]: session opened for user root by (uid=0)
Nov 21 15:56:02 vodsrv ftpd: 61.109.157.9: root[11666]: FTP LOGIN FROM 61.109.157.9 [61.109.157.9], root
Nov 21 16:05:05 vodsrv ftp(pam_unix)[11666]: session closed for user root
Nov 21 16:05:05 vodsrv ftpd: 61.109.157.9: root: IDLE[11666]: FTP session closed
Nov 21 16:07:36 vodsrv ftpd: 61.109.157.9: root: IDLE[10364]: User root timed out after 900 seconds at Mon Nov 21 16:07:36 2005
Nov 21 16:07:36 vodsrv ftp(pam_unix)[10364]: session closed for user root
Nov 21 16:07:36 vodsrv ftpd: 61.109.157.9: root: IDLE[10364]: FTP session closed
Nov 21 16:07:36 vodsrv ftpd: 61.109.157.22: root: IDLE[14735]: User root timed out after 900 seconds at Mon Nov 21 16:07:36 2005
Nov 21 16:07:36 vodsrv ftp(pam_unix)[14735]: session closed for user root
Nov 21 16:07:36 vodsrv ftpd: 61.109.157.22: root: IDLE[14735]: FTP session closed
Nov 21 16:09:17 vodsrv ftpd[12802]: wu-ftpd - TLS settings: control allow, client_cert allow, data allow
Nov 21 16:09:32 vodsrv ftp(pam_unix)[12802]: session opened for user root by (uid=0)
Nov 21 16:09:32 vodsrv ftpd: 61.109.157.9: root[12802]: FTP LOGIN FROM 61.109.157.9 [61.109.157.9], root
Nov 21 16:11:39 vodsrv ftp(pam_unix)[12802]: session closed for user root
Nov 21 16:11:39 vodsrv ftpd: 61.109.157.9: root: IDLE[12802]: FTP session closed
Nov 21 16:27:43 vodsrv sshd(pam_unix)[14669]: session opened for user root by (uid=0)
Nov 21 16:42:03 vodsrv sshd(pam_unix)[14669]: session closed for user root
Nov 21 17:26:50 vodsrv ftpd[20745]: wu-ftpd - TLS settings: control allow, client_cert allow, data allow
Nov 21 17:26:52 vodsrv ftpd[20746]: wu-ftpd - TLS settings: control allow, client_cert allow, data allow
Nov 21 17:27:07 vodsrv ftp(pam_unix)[20746]: session opened for user root by (uid=0)
Nov 21 17:27:07 vodsrv ftpd: 61.109.157.22: root[20746]: FTP LOGIN FROM 61.109.157.22 [61.109.157.22], root
Nov 21 17:27:09 vodsrv ftpd[20781]: wu-ftpd - TLS settings: control allow, client_cert allow, data allow
Nov 21 17:27:10 vodsrv ftp(pam_unix)[20745]: session opened for user root by (uid=0)
Nov 21 17:27:10 vodsrv ftpd: 61.109.157.22: root[20745]: FTP LOGIN FROM 61.109.157.22 [61.109.157.22], root
Nov 21 17:27:20 vodsrv ftp(pam_unix)[20781]: session opened for user root by (uid=0)
Nov 21 17:27:20 vodsrv ftpd: 61.109.154.198: root[20781]: FTP LOGIN FROM 61.109.154.198 [61.109.154.198], root
Nov 21 17:27:20 vodsrv ftp(pam_unix)[20781]: session closed for user root
Nov 21 17:27:20 vodsrv ftpd: 61.109.154.198: root: IDLE[20781]: FTP session closed
Nov 21 17:29:27 vodsrv ftpd: 61.109.157.22: root: IDLE[20746]: lost connection to 61.109.157.22 [61.109.157.22]
Nov 21 17:29:27 vodsrv ftp(pam_unix)[20746]: session closed for user root
Nov 21 17:29:27 vodsrv ftpd: 61.109.157.22: root: IDLE[20746]: FTP session closed
Nov 21 17:29:37 vodsrv ftpd: 61.109.157.22: root: IDLE[20745]: lost connection to 61.109.157.22 [61.109.157.22]
Nov 21 17:29:37 vodsrv ftp(pam_unix)[20745]: session closed for user root
Nov 21 17:29:37 vodsrv ftpd: 61.109.157.22: root: IDLE[20745]: FTP session closed
Nov 21 17:29:57 vodsrv ftpd[21149]: wu-ftpd - TLS settings: control allow, client_cert allow, data allow
Nov 21 17:30:07 vodsrv ftpd[21168]: wu-ftpd - TLS settings: control allow, client_cert allow, data allow
Nov 21 17:30:24 vodsrv ftp(pam_unix)[21168]: session opened for user root by (uid=0)
Nov 21 17:30:24 vodsrv ftpd: 61.109.157.22: root[21168]: FTP LOGIN FROM 61.109.157.22 [61.109.157.22], root
Nov 21 17:30:26 vodsrv ftp(pam_unix)[21149]: session opened for user root by (uid=0)
Nov 21 17:30:26 vodsrv ftpd: 61.109.157.22: root[21149]: FTP LOGIN FROM 61.109.157.22 [61.109.157.22], root
Nov 21 17:30:57 vodsrv ftpd: 61.109.157.22: root: IDLE[21149]: lost connection to 61.109.157.22 [61.109.157.22]
Nov 21 17:30:57 vodsrv ftp(pam_unix)[21149]: session closed for user root
Nov 21 17:30:57 vodsrv ftpd: 61.109.157.22: root: IDLE[21149]: FTP session closed
Nov 21 17:32:15 vodsrv ftpd: 61.109.157.22: root: IDLE[21168]: lost connection to 61.109.157.22 [61.109.157.22]
Nov 21 17:32:15 vodsrv ftp(pam_unix)[21168]: session closed for user root
Nov 21 17:32:15 vodsrv ftpd: 61.109.157.22: root: IDLE[21168]: FTP session closed
Nov 21 17:33:22 vodsrv ftpd[21492]: wu-ftpd - TLS settings: control allow, client_cert allow, data allow
Nov 21 17:33:39 vodsrv ftp(pam_unix)[21492]: session opened for user root by (uid=0)
Nov 21 17:33:39 vodsrv ftpd: 61.109.154.198: root[21492]: FTP LOGIN FROM 61.109.154.198 [61.109.154.198], root
Nov 21 17:33:39 vodsrv ftp(pam_unix)[21492]: session closed for user root
Nov 21 17:33:39 vodsrv ftpd: 61.109.154.198: root: IDLE[21492]: FTP session closed
Nov 21 17:51:32 vodsrv ftpd[23462]: wu-ftpd - TLS settings: control allow, client_cert allow, data allow
Nov 21 17:51:34 vodsrv ftpd[23463]: wu-ftpd - TLS settings: control allow, client_cert allow, data allow
Nov 21 17:51:42 vodsrv ftp(pam_unix)[23462]: session opened for user root by (uid=0)
Nov 21 17:51:42 vodsrv ftpd: 61.109.157.22: root[23462]: FTP LOGIN FROM 61.109.157.22 [61.109.157.22], root
Nov 21 17:52:09 vodsrv ftpd[23463]: lost connection to 61.109.157.22 [61.109.157.22]
Nov 21 17:52:09 vodsrv ftpd[23463]: FTP session closed
Nov 21 17:52:10 vodsrv ftpd[23515]: wu-ftpd - TLS settings: control allow, client_cert allow, data allow
Nov 21 17:52:36 vodsrv ftp(pam_unix)[23515]: session opened for user root by (uid=0)
Nov 21 17:52:36 vodsrv ftpd: 61.109.157.22: root[23515]: FTP LOGIN FROM 61.109.157.22 [61.109.157.22], root
Nov 21 17:53:11 vodsrv ftpd: 61.109.157.22: root: IDLE[23462]: lost connection to 61.109.157.22 [61.109.157.22]
Nov 21 17:53:11 vodsrv ftp(pam_unix)[23462]: session closed for user root
Nov 21 17:53:11 vodsrv ftpd: 61.109.157.22: root: IDLE[23462]: FTP session closed
Nov 21 17:53:41 vodsrv ftpd[23684]: wu-ftpd - TLS settings: control allow, client_cert allow, data allow
Nov 21 17:54:01 vodsrv ftp(pam_unix)[23684]: session opened for user root by (uid=0)
Nov 21 17:54:01 vodsrv ftpd: 61.109.157.22: root[23684]: FTP LOGIN FROM 61.109.157.22 [61.109.157.22], root
Nov 21 17:54:15 vodsrv ftpd: 61.109.157.22: root: IDLE[23515]: lost connection to 61.109.157.22 [61.109.157.22]
Nov 21 17:54:15 vodsrv ftp(pam_unix)[23515]: session closed for user root
Nov 21 17:54:15 vodsrv ftpd: 61.109.157.22: root: IDLE[23515]: FTP session closed
Nov 21 17:54:32 vodsrv ftpd: 61.109.157.22: root: IDLE[23684]: lost connection to 61.109.157.22 [61.109.157.22]
Nov 21 17:54:32 vodsrv ftp(pam_unix)[23684]: session closed for user root
Nov 21 17:54:32 vodsrv ftpd: 61.109.157.22: root: IDLE[23684]: FTP session closed
Nov 21 17:54:45 vodsrv ftpd[23819]: wu-ftpd - TLS settings: control allow, client_cert allow, data allow
Nov 21 17:54:45 vodsrv ftp(pam_unix)[23819]: session opened for user root by (uid=0)
Nov 21 17:54:45 vodsrv ftpd: 61.109.157.22: root[23819]: FTP LOGIN FROM 61.109.157.22 [61.109.157.22], root
Nov 21 17:55:16 vodsrv ftpd: 61.109.157.22: root: IDLE[23819]: lost connection to 61.109.157.22 [61.109.157.22]
Nov 21 17:55:16 vodsrv ftp(pam_unix)[23819]: session closed for user root
Nov 21 17:55:16 vodsrv ftpd: 61.109.157.22: root: IDLE[23819]: FTP session closed
Nov 21 19:21:14 vodsrv ftp(pam_unix)[11512]: session closed for user root
Nov 21 19:21:14 vodsrv ftpd: 61.109.157.9: root: IDLE[11512]: FTP session closed
Nov 21 19:21:24 vodsrv ftpd: 61.109.157.22: root: IDLE[11511]: lost connection to 61.109.157.22 [61.109.157.22]
Nov 21 19:21:24 vodsrv ftp(pam_unix)[11511]: session closed for user root
Nov 21 19:21:24 vodsrv ftpd: 61.109.157.22: root: IDLE[11511]: FTP session closed
Nov 21 19:24:49 vodsrv kernel: nfs: server 61.109.154.200 not responding, still trying
Nov 21 19:24:51 vodsrv last message repeated 7 times
Nov 21 19:26:56 vodsrv kernel: NETDEV WATCHDOG: eth0: transmit timed out
Nov 21 19:26:56 vodsrv kernel: tg3: eth0: transmit timed out, resetting
Nov 21 19:26:56 vodsrv kernel: tg3: tg3_stop_block timed out, ofs=2000 enable_bit=2
Nov 21 19:26:57 vodsrv kernel: tg3: tg3_stop_block timed out, ofs=1400 enable_bit=2
Nov 21 19:26:57 vodsrv kernel: tg3: tg3_stop_block timed out, ofs=c00 enable_bit=2
Nov 21 19:26:57 vodsrv kernel: tg3: eth0: Link is down.
Nov 21 19:27:00 vodsrv kernel: tg3: eth0: Link is up at 1000 Mbps, full duplex.
Nov 21 19:27:00 vodsrv kernel: tg3: eth0: Flow control is off for TX and off for RX.
Nov 21 19:27:04 vodsrv kernel: nfs: server 61.109.154.200 OK
Nov 21 19:27:04 vodsrv last message repeated 7 times
Nov 21 19:29:12 vodsrv sshd(pam_unix)[1611]: session opened for user root by (uid=0)