Need help on instant wake-up caused by GBE1

Running a desktop with Xeon W-2133 processor, picked up iMacPro1,1 in SMBios. I notice that whenever the computer transitions to sleep state, it will wake up almost immediately. Based on the log firstly it is caused by XHCI/GBE1. I thought it's caused by IntelMausi.kext, so I disabled the kext (I am using Wi-Fi) but nothing is changed. Then I disabled built-in LAN in BIOS, but the symptom is still the same, "log show --last boot | grep -I -E gbe1" shows:

2023-10-09 20:33:30.476597-0700 0x79 Default 0x0 0 0 kernel: (AppleACPIPlatform) AppleACPIPlatformPower Wake reason: GBE1 2023-10-09 20:33:30.476598-0700 0x79 Default 0x0 0 0 kernel: (AppleACPIPlatform) AppleACPIPlatformPower Wake reason: GBE1 2023-10-09 20:33:38.066435-0700 0x4bf Default 0x0 209 0 airportd: (IO80211) [com.apple.WiFiManager:] Info: <airport[209]> systemWokenByWiFi: System wake reason: <GBE1>, was not woken by WiFi 2023-10-09 20:33:38.066491-0700 0x4bf Default 0x0 209 0 airportd: (IO80211) [com.apple.WiFiManager:] Info: <airport[209]> systemWokenByWiFi: System wake reason: <GBE1>, was not woken by WiFi 2023-10-09 20:33:38.120188-0700 0x1e4a Default 0x0 209 0 airportd: (IO80211) [com.apple.WiFiManager:] Info: <airport[209]> systemWokenByWiFi: System wake reason: <GBE1>, was not woken by WiFi 2023-10-09 20:33:38.366901-0700 0x1a94 Default 0x0 209 0 airportd: (IO80211) [com.apple.WiFiManager:] Info: <airport[209]> systemWokenByWiFi: System wake reason: <GBE1>, was not woken by WiFi 2023-10-09 20:33:40.172818-0700 0x79 Default 0x0 0 0 kernel: PMRD: system wake events: GBE1 2023-10-09 20:33:40.172822-0700 0x79 Default 0x0 0 0 kernel: system wake events: GBE1 2023-10-09 20:33:40.179823-0700 0x1885 Default 0x0 98 8 powerd: [com.apple.powerd:sleepWake] DarkWake from Normal Sleep [CDN] : due to GBE1/ 2023-10-09 20:33:40.180629-0700 0x4bf Default 0x0 209 0 airportd: (IO80211) [com.apple.WiFiManager:] Info: <airport[209]> systemWokenByWiFi: System wake reason: <GBE1>, was not woken by WiFi 2023-10-09 20:33:50.359180-0700 0x1cbc Default 0x0 209 0 airportd: (IO80211) [com.apple.WiFiManager:] Info: <airport[209]> systemWokenByWiFi: System wake reason: <GBE1>, was not woken by WiFi 

Has anyone seen the similar instant wake-up issue? any way to fix it? Is there a way to disable GBE1 entirely?