dnl ----------------------------------------------------------------------
m4_define([OVS_VSCTL_CHECK_RX_PKT], [
-AT_CHECK([ovs-vsctl list int $1 | grep statistics | sed -n 's/^.*\(rx_packets=[[0-9]]\+\).*$/\1/p'],[0],
+AT_CHECK([ovs-vsctl list int $1 | grep statistics | sed -n 's/^.*\(rx_packets=[[0-9]][[0-9]]*\).*$/\1/p'],[0],
[dnl
rx_packets=$2
])