Revert "netkvm: do not complete packets in sending path"
Revert "netkvm: do not complete packets in sending path"

https://bugzilla.redhat.com/show_bug.cgi?id=2067167
https://bugzilla.redhat.com/show_bug.cgi?id=2063594

This reverts commit 5fcd9ea620559e440ba4841b3a190fa6f9a22f15.
Mentioned commit was intended to solve the problem
https://bugzilla.redhat.com/show_bug.cgi?id=1972487

But during later tests it was found that the commit has triggered
other problems in perf6 and mpe tests
We revert the commit and continue the investigation

Signed-off-by: Yuri Benditovich <9668326cb042de5d91fd7679dac7ca5ea402812c@daynix.com>

virtio-win/kvm-guest-drivers-windows,virtio-win/kvm-guest-drivers-windows,vrozenfe/kvm-guest-drivers-windows,virtio-win/kvm-guest-drivers-windows,YanVugenfirer/kvm-guest-drivers-windows,vrozenfe/kvm-guest-drivers-windows,YanVugenfirer/kvm-guest-drivers-windows,YanVugenfirer/kvm-guest-drivers-windows,YanVugenfirer/kvm-guest-drivers-windows,virtio-win/kvm-guest-drivers-windows,vrozenfe/kvm-guest-drivers-windows,daynix/kvm-guest-drivers-windows,YanVugenfirer/kvm-guest-drivers-windows,vrozenfe/kvm-guest-drivers-windows,virtio-win/kvm-guest-drivers-windows,vrozenfe/kvm-guest-drivers-windows,daynix/kvm-guest-drivers-windows,daynix/kvm-guest-drivers-windows,daynix/kvm-guest-drivers-windows,daynix/kvm-guest-drivers-windows