Ignore exit code for rabbit-mq commands they need to be retried before giving up. Do so only if caller intends to retry.
Ignore exit code for rabbit-mq commands they need to be retried before giving up.
Do so only if caller intends to retry.

Change-Id: I56f1c0fad3c0c798b1a84f4c7c7343588f8cf169

Juniper/contrail-fabric-utils,Juniper/contrail-fabric-utils