These are “strange issues” which are not happening for any users using Debian stable as their host operating system. I have a guess what could be the cause… See this:
Apply General VirtualBox Troubleshooting Steps.
(Whonix is based on Kicksecure.)
Kali rolling? Then that could be because a too new kernel version that is not yet compatible with VirtualBox.
A kernel version not yet compatible with VirtualBox is known to cause a lot “strange issues”, elaborated here: