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Host CPU usage high on guest network load (macvtap).



Hello,

Is it reasonable for one CPU on the host to be loaded 20-30% on 100 mbps download in a guest? There is barely any (1-2%) load in the guest. The host is running ubuntu 18.04 on an Intel i7-7700K, virtualization etc is enabled. Everything except host load on guest network activity is fine.

This is how i setup the network with virt-install:
--network type=direct,source=enp1s0,source_mode=bridge,model=virtio,mac=00:11:22:33:44:55

In the guest (ubuntu18.04 cloud minimal) i run a simple wget, setting mode to vepa still works but the cpu load is the same.



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