Fix error dev/kvm is not found

I got the similar issue and resolved the with the help above solution.Thanks..

1. Get into Recovery Mode by restarting and holding down ⌘+R until Apple logo appears.
2. In the top menu click Utilities > Terminal.

3. In the Terminal window type:

   csrutil enable --without kext
   

   and press Enter.

4. Then restart the Mac.