ELB1 - - [31/Jul/2014:05:44:20 +0000] "-" 408 - "-" "-" ELB2 - - [31/Jul/2014:05:44:21 +0000] "-" 408 - "-" "-" ELB1 - - [31/Jul/2014:05:45:11 +0000] "-" 408 - "-" "-" ELB2 - - [31/Jul/2014:05:45:13 +0000] "-" 408 - "-" "-" ELB1 - - [31/Jul/2014:05:46:03 +0000] "-" 408 - "-" "-" ELB2 - - [31/Jul/2014:05:46:05 +0000] "-" 408 - "-" "-" ELB1, ELB2はそれぞれELBのIPアドレス 408...request timeoutか・・・(="= 調査:ググる 最