CH_SWITCH_SCAN_BYPASS_DPD
req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD;
req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD;
req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD;
req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD;