[COE      = -1(INIT), 0(Ready), 1(Wait Discover&SetAddr), 2(Wait COE Read Finish)]
[CPE-HDAP = -1(INIT), 0(Ready), 1(Process Error), 2(Child Die)]
[CPE-CHT  = -1(INIT), 0(Ready), 1(LinkDown), 2(Process Killed)]
COEStatus       : 2
CPEStatus(HDAP) : 0
CPEStatus(CHT)  : 0