今天早上巡检N3K发现系统里面产生了如下日志信息:
2016 Apr 8 13:02:07 switch Apr 8 13:02:07 %KERN-3-SYSTEM_MSG: [18569300.256321] pfm/3363 - failed to set mux addr 0x70 ch 4 err I2C_ERR_N
O_RESPONSE - kernel
2016 Apr 8 14:52:39 switch Apr 8 14:52:39 %KERN-3-SYSTEM_MSG: [18575931.833821] pfm/3363 - failed to set mux addr 0x70 ch 4 err I2C_ERR_N
O_RESPONSE - kernel
2016 Apr 8 21:41:46 switch Apr 8 21:41:46 %KERN-3-SYSTEM_MSG: [18600478.936320] pfm/3363 - failed to set mux addr 0x70 ch 4 err I2C_ERR_N
O_RESPONSE - kernel
2016 Apr 9 08:21:56 switch Apr 9 08:21:56 %KERN-3-SYSTEM_MSG: [18638889.383824] pfm/3363 - failed to set mux addr 0x70 ch 4 err I2C_ERR_N
O_RESPONSE - kernel
2016 Apr 9 14:25:32 switch Apr 9 14:25:32 %KERN-3-SYSTEM_MSG: [18660705.015141] pfm/3363 - failed to set mux addr 0x70 ch 4 err I2C_ERR_N
O_RESPONSE - kernel
2016 Apr 10 06:51:19 switch Apr 10 06:51:19 %KERN-3-SYSTEM_MSG: [18719851.505063] pfm/3363 - failed to set mux addr 0x70 ch 4 err I2C_ERR_N
O_RESPONSE - kernel
2016 Apr 11 00:39:39 switch Apr 11 00:39:38 %KERN-3-SYSTEM_MSG: [18783951.393919] pfm/3363 - failed to set mux addr 0x70 ch 4 err I2C_ERR_N
O_RESPONSE - kernel
请问这个日志是什么意思?应该怎么解决?