A packet forwarding method that includes receiving a packet from a traffic classifier at a host that comprises a virtual machine (VM), and a first hypervisor for the host that provides a first set of routing instructions that provides routing instruction to forward the packet to a port of the VM, and wherein the VM comprises a plurality of virtual network functions (VNFs), and a second hypervisor for the VM that provides a second set of routing instructions that provides routing instructions to forward the packet to the plurality of VNFs based on an input, processing, by the host, the packet using the plurality of VNFs in accordance with the first set of routing instructions and the second set of routing instructions, and forwarding, by the host, the processed packet to a network device.