Not VirtualBox but the kernel has changed something. The last 3.2.x vanilla4x5n wrote:Anyone remember which release of Vbox first had this bug?
kernel without problems is 3.2.17.
Ubunutu seems to have fixed the problem. Therefore I downloaded
"virtualbox-dkms_4.1.16-dfsg-2_all.deb", unpacked it and replaced
the original VBoxNetFltInternal.h and linux/VBoxNetFlt-linux.c with those from Ubunutu.
Recompiling the VB modules, reboot and since 2 days it is working for me with a 3.2.20.