Every 30 seconds (when the MacPro 2013 sleep) syslog report this:
2020-09-27 08:50:53.169185-0400 0x73 Default 0x0 0 kernel: (AirPortBrcm4360) ARPT: 1945.482807: AirPort_Brcm43xx::powerChange: System Wake - Full Wake/ Dark Wake / Maintenance wake
2020-09-27...
