Hello! > When doing the ping, was it from the guest (to another host) or to > the guest (from another host)? > > In any case, I still could not understand why the ping loss happened > in this test. > > If ping from guest, no ARP refresh is required at all?
ping from guest to host. Ok, my setup was: Host<------->openVSwitch<----------->guest LOCAL vhostuser So, in order to migrate the guest, i simply replicated this setup on both hosts, with the same IPs on host side. And on both hosts i set up the following ruleset for openvswitch: ovs-ofctl add-flow ovs-br0 in_port=1,actions=output:LOCAL ovs-ofctl add-flow ovs-br0 in_port=LOCAL,actions=output:1 And on the second host, for some reason, vhostuser port got no 2 in the database instead of 1. Probably because first i added wrong port, then added correct one, then removed the wrong one. So, as i wrote before - please don't worry, the patch works fine, it was totally my lame fault. Kind regards, Pavel Fedin Expert Engineer Samsung Electronics Research center Russia