Ubuntu
qemu-kvm package

  1. Bug #997978
  2. Comment #25

Comment 25 for bug 997978

Revision history for this message
Stephane Neveu (stefneveu) wrote :

Same kind of problem here :

Running Ubuntu-servers 12.04 VMs on Ubuntu-servers 12.04 using KVM/Libvirt over bridges.

Pinging my gateway from a random VM and watching packets with tcpdump on the kvm host :

icmp is ok on my vnet -> ok on the bridge -> ok on my bond (active-backup) -> ok on my gateway (reply) -> ok on my bond -> ok on my brigde -> No packet received on my vnet !!!!

brct showmacs mybridge seems to be ok showing my mac:addr (bridge+vm)

I have to ifdown/ifup my eth0 on virtual guest to make it work again til the next time.