just create snapshot of lvm, zamd will pull it

[gnt-info] / filter / tap-instance-nic

# brctl show br0060 | ./filter/tap-instance-nic
sed -e "$( grep . /var/run/ganeti/kvm-hypervisor/nic/*/* | sed 's/[/:]/ /g' | awk '{ print "s/\\b"$8"\\b/"$8" "$6" "$7"/ " }' )"