A method performed by a physical computing system includes, with a hypervisor, receiving a first packet from a virtual machine managed by the hypervisor, the first packet for transmission to a destination, the first packet including a first queue identifier, selecting a first transmission queue from a plurality of available transmission queues to transmit the first packet, the first transmission queue being based on the first queue identifier, receiving a second packet from the virtual machine, the second packet for transmission to the destination, the second packet including a second queue identifier, and selecting a second transmission queue from the plurality of available transmission queues to transmit the second packet, the second transmission queue being based on the second queue identifier.