check that kvm kernel modules are inserted

The kvm flags in the kernel can be available
but turned off in the bios.  Check that the
kernel module for kvm is available.

Change-Id: Ibc2bc81cddd3698450723dd928f0c94dc510b7a8

roles/create-zuul-based-reproducer/templates/reproducer-zuul-based-quickstart.sh.j2

@@ -175,6 +175,7 @@ if [[ "$LIBVIRT" == "1" ]]; then
     # grep hypervisor returns true on virt
     echo "check if linux is running in a hypervisor"
     grep -q 'hypervisor' /proc/cpuinfo && LIBVIRT_ERROR=true || true
+    dmesg | grep kvm | grep -i disabled && LIBVIRT_ERROR=true || true
     if [[ ! -z "$LIBVIRT_ERROR" ]]; then
         echo -e "\e[31m ERROR: -l,  libvirt attempted on a machine w/o libvirt capabilities, or on a virtual instance \e[0m"
     fi