[jump vnet] Fix udev rule event for older libvirt

Older libvirt seems to raise 'change' events instead of 'add',
so the MTU bump of the libvirt managed tap interfaces was not
properly applied.

Change-Id: Ie1a4f1c4f235ad4f83bf9ee218a40dcedc1ce914
Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/mcp/scripts/lib.sh b/mcp/scripts/lib.sh
index 5f1275d..016af2b 100644 (file)
--- a/mcp/scripts/lib.sh
+++ b/mcp/scripts/lib.sh
@@ -550,7 +550,7 @@ function wait_for {
 function do_udev_cfg {
   local _conf='/etc/udev/rules.d/99-opnfv-fuel-vnet-mtu.rules'
   # http://linuxaleph.blogspot.com/2013/01/how-to-network-jumbo-frames-to-kvm-guest.html
-  echo 'SUBSYSTEM=="net", ACTION=="add", KERNEL=="vnet*", RUN+="/sbin/ip link set mtu 9000 dev '"'"%k"'"'"' |& sudo tee "${_conf}"
+  echo 'SUBSYSTEM=="net", ACTION=="add|change", KERNEL=="vnet*", ATTR{mtu}="9000"' |& sudo tee "${_conf}"
   sudo udevadm control --reload || true
 }