Catalina (and Big Sur) have a kext AppleUSBECM.kext and driver extensions AppleUSERECM.dext and AppleUSERECMData.dext.
Plugging an ECM device in it appears that the kext is being used preferentially.
How can the system be configured to use the ECM Driver Extensions instead.
Plugging an ECM device in it appears that the kext is being used preferentially.
How can the system be configured to use the ECM Driver Extensions instead.