[ggm]

How does VM affect this?

How does KVM affect this?

How does Docker on KVM affect this?

How does Hypervisor affect this?

Add "... for a given network driver, e2e, measured RTT.."

[pepemon]

How can Docker affect this if it doesn't add any overhead?

[ggm]

Who said it doesn't add any overhead?

[pepemon]

Well, cgroups work like that. No overhead. Your systemd services are sliced under cgroups. Where have you seen the overhead?