Sun Dec 28 06:53:20 2014 kern.info kernel: [ 1831.270000] eth1: link up (100Mbps/Full duplex)
Sun Dec 28 06:53:36 2014 kern.info kernel: [ 1847.270000] eth1: link down
Sun Dec 28 06:53:37 2014 kern.info kernel: [ 1848.270000] eth1: link up (100Mbps/Full duplex)
Sun Dec 28 06:54:01 2014 cron.info crond[544]: crond: USER root pid 4517 cmd /usr/bin/cgminer-monitor
Sun Dec 28 06:54:03 2014 kern.info kernel: [ 1874.270000] eth1: link down
Sun Dec 28 06:54:04 2014 kern.info kernel: [ 1875.270000] eth1: link up (100Mbps/Full duplex)
Sun Dec 28 06:54:08 2014 kern.info kernel: [ 1879.270000] eth1: link down
Sun Dec 28 06:54:09 2014 kern.info kernel: [ 1880.270000] eth1: link up (100Mbps/Full duplex)
Sun Dec 28 06:54:13 2014 kern.info kernel: [ 1884.270000] eth1: link down
Sun Dec 28 06:54:14 2014 kern.info kernel: [ 1885.270000] eth1: link up (100Mbps/Full duplex)
Sun Dec 28 06:54:48 2014 kern.info kernel: [ 1919.280000] eth1: link down
Sun Dec 28 06:54:50 2014 kern.info kernel: [ 1921.280000] eth1: link up (100Mbps/Full duplex)
Sun Dec 28 06:54:58 2014 kern.info kernel: [ 1929.300000] eth1: link down
Sun Dec 28 06:55:01 2014 kern.info kernel: [ 1932.300000] eth1: link up (100Mbps/Full duplex)
Sun Dec 28 06:55:11 2014 kern.info kernel: [ 1942.300000] eth1: link down
Sun Dec 28 06:55:12 2014 kern.info kernel: [ 1943.300000] eth1: link up (100Mbps/Full duplex)
Sun Dec 28 06:55:24 2014 kern.info kernel: [ 1955.300000] eth1: link down
Sun Dec 28 06:55:25 2014 kern.info kernel: [ 1956.300000] eth1: link up (100Mbps/Full duplex)
Sun Dec 28 06:55:27 2014 kern.info kernel: [ 1958.300000] eth1: link down
Sun Dec 28 06:55:29 2014 kern.info kernel: [ 1960.300000] eth1: link up (100Mbps/Full duplex)
I have been having this issue for the last couple of days. I am running Firmware Version Fri Oct 24 19:46:59 CST 2014, Kernel Version 3.10.12. I have swapped network cables and have tried a different switch. I noticed it after my avg hash dropping. Any ideas?