Yep, no much result on the web about this subject. I don’t know what the cause, nor why Sophos didn’t take it seriously. Anyway, if you’ve downloaded version 16 of Sophos XG virtual appliance for KVM and you got the nice error message of firstboot failed: swapon /dev/swap But, if you know and sure you’ve … تابع قراءة XG Virtual Firewall on KVM and Openstack ERROR firstboot failed