The default VirtIO network driver under high load. Solution: Increase the ring buffer size and enable multi-queue.
Centralized security management doesn't have to mean vendor lock-in to a hypervisor. With KVM and the right QCOW2 image, you have the freedom to build a secure, high-performance management platform on your own terms. panorama-kvm-10.0.4.qcow2
If you are migrating from an OVA (VMware) version to panorama-kvm-10.0.4.qcow2 , use the built-in : The default VirtIO network driver under high load