I'm running into a strange sporadic problem while connecting to multiple genuine Arduino Mega boards (not clones) through VirtualHere and trying to upload a sketch/program to the board. It opens a serial connection, tries to communicate with a bootloader, then uploads the program. Sometimes it works, but most of the time it fails with timeout errors. Strangely enough, this doesn't happen with the Arduino Uno boards that work the same way.
I thought it might be Ethernet or network connection related, but I'm running with very low 1