querying mac-address of veth interface fails and interface is marked down

[Senthilnathan Murugappan]

querying mac-address of veth interface fails subsequently the interface is marked down

root@a2s40:~/scale_1/contrail-test# curl -s http://10.84.25.10:8085/Snh_ItfReq?name=veth0b913a35-4 | xmllint --pretty 1 - | grep os-state-down
          <active type="string" identifier="5">Inactive &lt; os-state-down ipv4_inactive ipv6_inactive l2_inactive &gt;</active>
          <l2_active type="string" identifier="28">L2 Inactive &lt; os-state-down &gt;</l2_active>
          <ip6_active type="string" identifier="35">Ipv6 Inactive &lt; os-state-down no-ipv6-addr &gt;</ip6_active>
          <ipv4_active type="string" identifier="49">Ipv4 Inactive &lt; os-state-down &gt;</ipv4_active>
root@a2s40:~/scale_1/contrail-test#

2016-05-03 Tue 10:20:00:831.084 PDT b5s10 [Thread 139689646352128, Pid 2548]: Error <19: No such device> querying mac-address for interface <veth0b913a35-4>
2016-05-03 Tue 10:20:00:833.639 PDT b5s10 [Thread 139689646352128, Pid 2548]: Error <19: No such device> querying mac-address for interface <veth0b913a35-4>
2016-05-03 Tue 10:20:00:835.481 PDT b5s10 [Thread 139689646352128, Pid 2548]: Error <19: No such device> querying mac-address for interface <veth0b913a35-4>

gcore is copied to /auto/cores/<bug id>/2.21.2-37/