Allow serial port passthrough to virtual machines

playbooks/include/deploy-kvm-guest.yml

@@ -99,7 +99,11 @@
           {% endif -%}
           {% if virt_install_devices is defined -%}
           {%   for dev in virt_install_devices -%}
+          {%     if dev | regex_search('^/dev/tty') -%}
+          --serial dev,path={{ dev }}
+          {%     else -%}
           --hostdev {{ dev }} \
+          {%     endif -%}
           {%   endfor -%}
           {% else -%}
           --controller usb,model=none \