Collect nested virtualization info

We run our deployment on multiple cloud, it is good to
collect nested virt info in order to investigate
server creation related issue.

It is needed for sc10 kvm jobs which is still in
development here:
https://review.rdoproject.org/r/q/topic:%22fix_octavia_kvm%22+(status:open%20OR%20status:merged)

Signed-off-by: Chandan Kumar (raukadah) <chkumar@redhat.com>
Change-Id: Ib9d89c9ce0e889a7ee6250f66b55c99a245d6d00

roles/collect_logs/defaults/main.yml

@@ -182,7 +182,10 @@ artcl_ignore_errors: true
 artcl_commands:
   system:
     cpuinfo:
-      cmd: cat /proc/cpuinfo
+      cmd: |
+        cat /proc/cpuinfo
+        echo ""
+        grep -s -H '' /sys/module/{kvm_intel,kvm_amd}/parameters/nested
       capture_file: /var/log/extra/cpuinfo.txt
     dmesg:
       cmd: dmesg